{"title":"Field Controls","description":"\u003cp\u003eShop Field Controls combustion air systems, power vent kits, and draft control equipment at New England Supply House. Field Controls manufactures draft control equipment, power vent kits, and combustion air systems for oil and gas heating equipment. Their products are widely used to upgrade atmospheric-vented heating equipment to power-vented configurations, extend venting runs, or improve combustion air supply.\u003c\/p\u003e\u003cp\u003eOur Field Controls inventory includes power vent kits for oil burners, combination vent and combustion air systems, barometric draft regulators, and accessories. HVAC and oil burner technicians throughout New England rely on Field Controls for venting solutions on difficult installations where standard chimney venting isn't practical.\u003c\/p\u003e","products":[{"product_id":"field-controls-46365401-air-purifier-germicidal-lamp","title":"Field Controls 46365401 Air Purifier Germicidal Lamp","description":"\u003cdiv\u003e\n\u003cp\u003eAir Purifier Germicidal Lamp for the UV-12 Air Purifier System delivers powerful disinfection to improve indoor air quality. The Field Controls 46365401 lamp is a 12 inch nominal length replacement designed for the UV-12 system, offering reliable germicidal action and long-lasting performance. This UV-C lamp provides targeted irradiation that reduces airborne microorganisms and helps maintain cleaner treated air. By replacing worn lamps on schedule, you can sustain peak disinfection efficiency and steady airflow in your purifier. Ideal for residential, office, and light-commercial environments, it integrates seamlessly with existing UV-12 components for dependable operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Designed for use with the UV-12 Air Purifier System.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal length\u003c\/b\u003e: 12 inches for easy replacement in standard housings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eGermicidal action\u003c\/b\u003e: UV-C lamp active disinfection targets airborne microorganisms.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number\u003c\/b\u003e: Field Controls 46365401 for quick ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInstallation\u003c\/b\u003e: Quick swap with minimal downtime, ideal for routine maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliability\u003c\/b\u003e: Built to withstand repeated cycles in air purification equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatility\u003c\/b\u003e: Suitable for residential, commercial, and light-industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605111914718,"sku":"51276","price":69.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353155_038712f2-9c7f-41f5-9bb4-713df5951f73.png?v=1765810045"},{"product_id":"field-controls-46511200-air-purifier-germicidal-lamp","title":"Field Controls 46511200 Air Purifier Germicidal Lamp","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eAir Purifier Germicidal Lamp\u003c\/b\u003e for Field Controls 46511200 delivers powerful UV-C disinfection for your air purification system. This 16-inch nominal length lamp is designed for use on the UV-16 Air Purifier System, helping to inactivate airborne pathogens and refresh indoor air quality.\u003c\/p\u003e\n\u003cp\u003eIdeal for commercial and residential spaces seeking improved air quality, this lamp provides a durable, low-maintenance UV-C source. It works as a direct replacement in the UV-16 Air Purifier System, ensuring consistent germicidal performance without disrupting airflow.\u003c\/p\u003e\n\u003cp\u003eBuilt for safe, reliable operation, the lamp offers steady UV-C output with low heat generation and long service life. When paired with compatible ballast and reflectors, it contributes to a cleaner indoor environment and extended filter performance.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e16-inch nominal length\u003c\/b\u003e fits UV-16 lamp modules\u003c\/li\u003e \u003cli\u003eReplacement lamp designed for Field Controls 46511200\u003c\/li\u003e \u003cli\u003eGermicidal UV-C output for enhanced air disinfection\u003c\/li\u003e \u003cli\u003eEasy, tool-free installation\u003c\/li\u003e \u003cli\u003eDurable construction for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep your air clean with a trusted Field Controls replacement lamp that fits your 16-inch module and delivers continuous disinfection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605111947486,"sku":"285876","price":76.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00352903_0f441999-811f-4d05-86c9-b027faa5fe55.jpg?v=1765818385"},{"product_id":"field-controls-46365402-air-purifier-germicidal-lamp","title":"Field Controls 46365402 Air Purifier Germicidal Lamp","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls 46365402 Air Purifier Germicidal Lamp\u003c\/b\u003e is a precision component for your air purification setup. With a nominal length of 18 Inch, this lamp is designed to fit and function with the UV-18 Air Purifier System, delivering reliable performance within that platform. The germicidal lamp supports the air purification process by enabling the system to operate as intended, helping maintain cleaner indoor air. This part is identified by the Field Controls 46365402 designation for accurate ordering and compatibility.\u003c\/p\u003e \u003cp\u003eDesigned for straightforward integration, this lamp is a practical choice for maintaining the efficiency of your air purification solution. When installed in the UV-18 Air Purifier System, it contributes to ongoing air quality management in settings that rely on consistent performance of dedicated germicidal lighting.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003ePart number\u003c\/b\u003e: Field Controls 46365402\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal length\u003c\/b\u003e: 18 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSystem compatibility\u003c\/b\u003e: UV-18 Air Purifier System\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePurpose\u003c\/b\u003e: Germicidal lamp for air purification\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCategory\u003c\/b\u003e: Air Purifier Germicidal Lamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112078558,"sku":"64784","price":79.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353194_e68f1084-fddd-4419-87ec-d98a4812ff01.jpg?v=1765823223"},{"product_id":"field-controls-uv-18-air-purifier","title":"Field Controls UV-18 Air Purifier","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls UV-18 Air Purifier delivers powerful air purification for spaces up to 2000 square feet using advanced UV technology. This unit runs on a 120V AC supply, drawing 30 watts with a current of 0.5 A for efficient operation. UL approved for both Canada and US, it’s built for durable performance in commercial or large residential environments.\u003c\/p\u003e \u003cp\u003eDesigned for flexible installation, the purifier uses a 14 inch width duct and includes mounting hardware for quick setup: patent angle bracket and duct board mounting kit. Its low energy draw and robust construction make it a practical choice for spaces that require reliable filtration and germicidal control.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEffective area: up to 2000 square feet\u003c\/li\u003e \u003cli\u003eElectrical specs: 120V AC, 60 Hz, 0.5 A, 30 W\u003c\/li\u003e \u003cli\u003eDuct size: 14 inch width\u003c\/li\u003e \u003cli\u003eIncludes patent angle bracket and duct board mounting kit\u003c\/li\u003e \u003cli\u003eUL approved (Canada and US)\u003c\/li\u003e \u003cli\u003eWarranty: 10 years\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eExperience cleaner air with simple maintenance and durable design—perfect for larger offices, clinics, or home environments that demand high-performance air purification.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112176862,"sku":"44314","price":241.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/FLDCON_UV-18_Image1.jpg?v=1769787591"},{"product_id":"field-controls-uv-18hp-air-purifier","title":"Field Controls UV-18HP Air Purifier","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls UV-18HP Air Purifier is an AC-powered air purification solution designed for spaces up to 2000 square feet. This UV-18HP model delivers reliable, quiet filtration for homes, offices, or light commercial environments, helping to reduce odors and improve indoor air quality with consistent performance and easy maintenance. It carries UL approval for both Canada and the US, signaling strong safety and compliance.\u003c\/p\u003e \u003cp\u003ePowered by 240 Volt AC at 60 Hertz and consuming a modest 30 watts, it runs efficiently with a low 0.5 Amp current. The unit is designed for flexible installation with included hardware: patent angle bracket and duct board mounting kit, and it supports a 14-inch width duct for straightforward ducting connections. Built for durability, this purifier is backed by a 10-year warranty.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCoverage up to 2000 sq ft for large rooms and open-plan spaces\u003c\/li\u003e \u003cli\u003eAC-powered operation: 240V, 60 Hz, 30W\u003c\/li\u003e \u003cli\u003eLow energy use with 0.5 A current draw\u003c\/li\u003e \u003cli\u003eIncludes patent angle bracket and duct board mounting kit\u003c\/li\u003e \u003cli\u003eUL listed for safety in Canada and US\u003c\/li\u003e \u003cli\u003e14-inch duct width compatibility for easy installation\u003c\/li\u003e \u003cli\u003e10-year warranty for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112209630,"sku":"78086","price":270.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353188_a00b3ab8-1804-4a4a-b0f7-1134d23da373.jpg?v=1765819202"},{"product_id":"field-controls-uv-16-120-air-purifier","title":"Field Controls UV-16\/120 Air Purifier","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls UV-16\/120 Air Purifier delivers high-efficiency air purification for large spaces. The Field Controls UV-16\/120 Air Purifier is a dedicated UV air purifier that employs ultraviolet technology to dramatically reduce airborne contaminants while maintaining a compact footprint.\u003c\/p\u003e \u003cp\u003eDesigned to cover up to 2000 square feet, this air purification system integrates smoothly with ductwork. It runs on 120 Volt AC at 60 Hertz and draws only 30 watts, delivering reliable performance with low energy consumption. Included accessories—Duct Board Mounting Kit, Up Directional Shield, and a Built-In Safety Switch—enhance installation flexibility and safety. UL approval for Canada and US ensures trusted compliance.\u003c\/p\u003e \u003cp\u003eWith a compact design and a 16 inch width duct interface, Field Controls UV-16\/120 integrates seamlessly into existing HVAC systems. It carries a 10-year warranty for peace of mind and long-term operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCoverage:\u003c\/b\u003e Up to 2000 sq ft air purification for large spaces\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePower \u0026amp; efficiency:\u003c\/b\u003e 120V AC, 60 Hz, 30W\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded mounting hardware:\u003c\/b\u003e Duct Board Mounting Kit and Up Directional Shield\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety features:\u003c\/b\u003e Built-in safety switch for safe operation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertifications:\u003c\/b\u003e UL approved for Canada and US\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112242398,"sku":"127990","price":212.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00366704_3cb58e12-d18d-44b4-a19b-41f9cc0dfb97.png?v=1765808350"},{"product_id":"field-controls-cac-120-combustion-air-control","title":"Field Controls CAC-120 Combustion Air Control","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CAC-120 Combustion Air Control\u003c\/b\u003e is designed for precise regulation of combustion air in gas-fired systems. This \u003ci\u003eType Combustion Air Control\u003c\/i\u003e provides accurate control to maintain safe, efficient operation on CAS-3, CAS-6, and CAS-7 combustion air systems.\u003c\/p\u003e \u003cp\u003eWith a 120 Volt electrical rating, the CAC-120 delivers reliable performance in industrial environments. It is engineered by Field Controls to integrate seamlessly with existing CAS-3, CAS-6, and CAS-7 setups, ensuring compatibility and straightforward replacement.\u003c\/p\u003e \u003cp\u003eBy precisely modulating air intake, Field Controls CAC-120 improves fuel efficiency, reduces emissions, and helps maintain stable combustion across operating ranges. This dependable replacement part is designed for fast diagnostics and easy service, minimizing downtime during maintenance or upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eFunction:\u003c\/b\u003e Combustion air control for safe, efficient operation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 120 Volt\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Used on CAS-3, CAS-6, CAS-7 combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Combustion Air Control\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e Designed for use in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112439006,"sku":"35488","price":319.31,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353123_e6746cf9-dbf1-4d59-b716-600da0d74da1.jpg?v=1765809089"},{"product_id":"field-controls-cac-24-combustion-air-control","title":"Field Controls CAC-24 Combustion Air Control","description":"\u003cdiv\u003e\n\u003cp\u003eCAC-24 Combustion Air Control by Field Controls delivers precise regulation for modern combustion systems. The CAC-24 Combustion Air Control is designed to manage intake air for safety and efficiency on the CAS-4, CAS-4Jr, CAS-6, and CAS-7 combustion air systems. It features a 24 Volt voltage rating for seamless integration with standard control circuits and OEM equipment.\u003c\/p\u003e \u003cp\u003eEngineered for dependable operation, this unit helps maintain proper air-to-fuel ratios, reduces emissions, and supports reliable startup. It is compatible with the listed CAS series systems, ensuring straightforward field installation and durable performance in demanding environments. Designed for compatibility with standard industrial controls, its 24 Volt operation simplifies wiring and reduces setup time. Additional compatibility with Field Controls accessories enhances versatility.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eKey compatibility:\u003c\/b\u003e Works with CAS-4\/CAS-4Jr\/CAS-6\/CAS-7 combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 24 Volt operation for common control boards\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliability:\u003c\/b\u003e Durable construction for long service life\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEasy integration:\u003c\/b\u003e Ready for retrofit or OEM installation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety and efficiency:\u003c\/b\u003e Maintains optimal air flow to support efficient combustion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112701150,"sku":"35487","price":291.76,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00384777_85b1a922-e605-4d88-a890-0cdc69783e89.jpg?v=1765809082"},{"product_id":"field-controls-rjr-6-combustion-air-controller-relay","title":"Field Controls RJR-6 Combustion Air Controller Relay","description":"\u003cdiv\u003e\n\u003cp\u003eThe Combustion Air Controller Relay from Field Controls, model RJR-6, is a reliable relay kit designed for CAC-120 combustion air control systems. This SPDT switch-type relay operates at a 120-volt rating, enabling precise, dependable control in a wide range of furnace and burner installations.\u003c\/p\u003e \u003cp\u003eDesigned as a compatible replacement part, the RJR-6 supports quick field installation and straightforward wiring with minimal downtime. It is specifically used on the CAC-120 Combustion Air Controller, making it a trusted choice for service technicians and maintenance teams seeking consistent performance and safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Relay Kit with SPDT switch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 120 Volt\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e CAC-120 Combustion Air Controller\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e RJR-6\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Field Controls\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAchieve reliable operation and safe combustion control with the Field Controls RJR-6 relay kit—a durable, ready-to-install choice for professional HVAC and boiler applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112733918,"sku":"1173","price":62.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00344169_7b1f3cac-f8dc-4493-b005-6296faa341a9.jpg?v=1765809709"},{"product_id":"field-controls-rjr-5-combustion-air-controller-relay","title":"Field Controls RJR-5 Combustion Air Controller Relay","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls RJR-5 Combustion Air Controller Relay\u003c\/b\u003e is a dependable SPDT relay kit designed for CAC-24 Combustion Air Controllers. With a 24-volt coil, this relay delivers reliable switching for combustion air control applications in boilers, furnaces, and other HVAC equipment. Engineered for straightforward field installation, the RJR-5 offers a compact, rugged solution that minimizes downtime and simplifies maintenance. As a genuine replacement part, it provides exact electrical characteristics and mounting compatibility with CAC-24 systems, ensuring seamless integration into existing control circuits and preserving system safety.\u003c\/p\u003e \u003cp\u003eDesigned to integrate with your combustion air control setup, the RJR-5 supports efficient, responsive control of air supply to burners, helping maintain optimal combustion and energy efficiency. This Field Controls relay is ideal for technicians seeking a durable, standard-fit component that delivers consistent performance across demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Relay Kit\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSwitch Type:\u003c\/b\u003e SPDT\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 24 Volt\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsed On:\u003c\/b\u003e CAC-24 Combustion Air Controller\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand \/ Compatibility:\u003c\/b\u003e Field Controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112799454,"sku":"1172","price":130.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353147_7f0c5e98-bce2-49e6-8b41-2d6df20a35c5.jpg?v=1765809702"},{"product_id":"field-controls-ada-1-combustion-air-system-damper-adapter","title":"Field Controls ADA-1 Combustion Air System Damper Adapter","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eADA-1 Combustion Air System Damper Adapter\u003c\/b\u003e from Field Controls is a precision component designed for reliable airflow management in combustion air systems.\u003c\/p\u003e\n\u003cp\u003eAs the \u003cb\u003eADA-1 Combustion Air System Damper Adapter\u003c\/b\u003e (part 46473300), it integrates with standard dampers to regulate air intake, improving draft control and safety in commercial and industrial installations.\u003c\/p\u003e\n\u003cp\u003eDesigned for use with HVAC and industrial furnace systems, the ADA-1 is a dependable replacement part and upgrade for aging combustion air circuits. Its compact, robust design simplifies installation and reduces downtime.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEasy integration with existing dampers and ductwork\u003c\/li\u003e \u003cli\u003eRugged construction for harsh industrial environments\u003c\/li\u003e \u003cli\u003eAutomatic regulation improves energy efficiency and safety\u003c\/li\u003e \u003cli\u003eField Controls compatibility with model 46473300 identification\u003c\/li\u003e \u003cli\u003eLow maintenance and reliable long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the \u003cb\u003eADA-1\u003c\/b\u003e for steady airflow, consistent draft control, and peace of mind in critical combustion air applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112832222,"sku":"127239","price":110.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00363813_f39ae431-ca1a-43a4-91e9-b122e6ad759c.png?v=1765824040"},{"product_id":"field-controls-iah-4-combustion-air-system-intake-hood","title":"Field Controls IAH-4 Combustion Air System Intake Hood","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eThe Field Controls IAH-4 Combustion Air System Intake Hood\u003c\/b\u003e is a round, 4-inch intake hood engineered to deliver clean, regulated combustion air to compatible burners and furnaces. This component features a round design for universal mounting and straightforward duct connection, and is used on multiple CAS models, including CAS-2B, CAS-2C, CAS-2W, CAS-2B90E, CAS-2C90E, CAS-3, and CAS-4.\u003c\/p\u003e\n\u003cp\u003eBuilt to meet industry standards for intake components, the IAH-4 aligns with Field Controls' CAS series to ensure proper air delivery and safe combustion performance. When replacing aging intake hoods, it provides a precise fit for standard ductwork and mounting patterns in residential and light commercial systems, supporting reliable airflow and consistent operation. Its compact 4-inch footprint fits through typical service openings and pairs with a wide range of CAS access points for easy installation and long-lasting service.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 4 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsed On:\u003c\/b\u003e CAS-2B, CAS-2C, CAS-2W, CAS-2B90E, CAS-2C90E, CAS-3, CAS-4 combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCategory:\u003c\/b\u003e Combustion Air System Intake Hood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112897758,"sku":"1159","price":46.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001794_9dd2d4d1-a71f-4bd5-af97-cf31f3cbddb6.gif?v=1765809668"},{"product_id":"field-controls-iah-6-combustion-air-system-intake-hood","title":"Field Controls IAH-6 Combustion Air System Intake Hood","description":"\u003cdiv\u003e\n\u003cp\u003eThe IAH-6 Combustion Air System Intake Hood from Field Controls ensures reliable, clean combustion air for round 6-inch applications. This round, 6-inch diameter intake hood is designed for use with CAS-2BB, CAS-2CB, and CAS-2B 375 combustion air systems.\u003c\/p\u003e \u003cp\u003eEngineered for durable, dependable performance in industrial environments, the IAH-6 minimizes intake turbulence and promotes steady airflow to your burner. Built from rugged metal with a protective finish, it stands up to heat, dust, and humidity while maintaining seal integrity. Its straightforward mounting and compatibility simplify retrofits and service, helping keep your system running smoothly and efficiently.\u003c\/p\u003e \u003cp\u003eWhether upgrading an existing furnace hood or installing new equipment, the IAH-6 integrates with standard ductwork and mounting patterns. The design reduces turbulence at the intake, helping maintain a consistent draft and safer combustion across operating temperatures.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003e6-inch round design\u003c\/b\u003e for optimal air delivery\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatible with CAS-2BB\/CAS-2CB\/CAS-2B 375\u003c\/b\u003e combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable metal construction\u003c\/b\u003e with protective finish\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEasy installation\u003c\/b\u003e with standard fittings\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eImproved airflow and system efficiency\u003c\/b\u003e for safer operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112930526,"sku":"1160","price":78.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001794_9dd2d4d1-a71f-4bd5-af97-cf31f3cbddb6.gif?v=1765809668"},{"product_id":"field-controls-46273100-combustion-air-system-pressure-switch","title":"Field Controls 46273100 Combustion Air System Pressure Switch","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls 46273100 Combustion Air System Pressure Switch provides precise monitoring for your combustion air system, helping ensure safe ignition and consistent burner performance. This Type Air Pressure Switch is built for reliable response under changing furnace conditions.\u003c\/p\u003e \u003cp\u003eDesigned to work with CAS-3, CAS-34, CAS-4P, and CAC-24 combustion air systems, it integrates smoothly into existing setups without extensive rewiring. It supports efficient operation by triggering alarms or shutdowns when pressure deviates from the set range, protecting equipment and improving safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Air Pressure Switch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: CAS-3, CAS-34, CAS-4P, CAC-24 combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurability\u003c\/b\u003e: Rugged construction for HVAC environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEase of installation\u003c\/b\u003e: Simple replacement and quick setup\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOperational safety\u003c\/b\u003e: Reliable monitoring to prevent misfires and unsafe combustion\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose this Field Controls switch to maintain optimal burner performance and reduce downtime in your heating system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605112963294,"sku":"1103","price":105.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00352572_44ddd91b-4f68-4cbe-bf40-71f98083e9fc.jpg?v=1765809518"},{"product_id":"field-controls-46363500-combustion-air-system-pressure-switch","title":"Field Controls 46363500 Combustion Air System Pressure Switch","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls 46363500 Combustion Air System Pressure Switch is a dependable air pressure switch designed for industrial combustion air systems. This \u003cb\u003eType Air Pressure Switch\u003c\/b\u003e is used on CAS-6\/CAS-7 Combustion Air System to verify proper operating pressures and enhance safety.\u003c\/p\u003e\n\u003cp\u003eEngineered to provide reliable sensing and fast response, the 46363500 switch integrates seamlessly into existing controls and acts as a critical safeguard in furnace and burner applications. It’s a Field Controls replacement part built to withstand demanding environments, delivering consistent performance and peace of mind.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Designed for CAS-6 and CAS-7 Combustion Air Systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Air Pressure Switch for combustion air safety\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFunction:\u003c\/b\u003e Senses pressure changes to protect equipment and maintain safe operation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInstallation:\u003c\/b\u003e Easy integration with standard control circuits\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e Robust construction suitable for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113061598,"sku":"56704","price":134.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/FLDCON_46273100_Image1.jpg?v=1769787520"},{"product_id":"field-controls-46257300-combustion-air-system-relay","title":"Field Controls 46257300 Combustion Air System Relay","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls 46257300 Combustion Air System Relay\u003c\/b\u003e is a rugged, reliable relay designed for CAS-3 combustion air systems. This field-proven component delivers precise switching and consistent performance in demanding industrial environments. It is built to withstand the rigors of continuous operation and to integrate smoothly with standard control circuits.\u003c\/p\u003e \u003cp\u003eBuilt as a dedicated relay type for field installations, this unit provides straightforward installation, dependable operation, and long service life. It is a direct replacement part for CAS-3 combustion air systems and is rated for standard 120 Volt AC control circuits, ensuring compatibility with common building automation setups. As a durable replacement part, it supports ongoing operation of your CAS-3 system and minimizes downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e 46257300\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Relay\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsed On:\u003c\/b\u003e CAS-3 Combustion Air System\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 120 VAC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Industrial furnace control and HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe 46257300 model is designed for easy installation and reliable long-term performance in industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113356510,"sku":"32873","price":37.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/FLDCON_46257300_Image1.jpg?v=1769787583"},{"product_id":"field-controls-46161400-combustion-air-system-relay","title":"Field Controls 46161400 Combustion Air System Relay","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls 46161400 Combustion Air System Relay\u003c\/b\u003e is a dependable replacement relay designed for reliable operation within combustion air systems. This compact device handles the critical switching tasks that control venting and air intake, helping maintain safe, efficient furnace performance and easy, tool-free installation in tight installations.\u003c\/p\u003e\n\u003cp\u003eDesigned for compatibility with CK-81 Venting or CAS-4P\/CAS-4Jr\/CAS-4mV Combustion Air System, it features a voltage rating of 24V AC and is built to meet OEM tolerances for a precise fit and wiring, minimizing downtime and improving system reliability.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e CK-81 Venting and CAS-4P\/CAS-4Jr\/CAS-4mV\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 24V AC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Relay\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM replacement:\u003c\/b\u003e Field Controls 46161400 ensures correct fit and wiring\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliability:\u003c\/b\u003e Designed for durable operation in residential or light commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade today for dependable control of your combustion air system and improved furnace performance, backed by trusted Field Controls engineering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113618654,"sku":"6720","price":36.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/FLDCON_46161400_Image1.jpg?v=1769787581"},{"product_id":"field-controls-vrv-4-combustion-air-system-vacuum-relief-valve","title":"Field Controls VRV-4 Combustion Air System Vacuum Relief Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe Vacuum Relief Valve for the Field Controls VRV-4 Combustion Air System protects equipment by safely venting excess vacuum during operation. This Type Vacuum Relief Valve delivers fast response to pressure changes, helping prevent damage to the blower, ductwork, and combustion components while maintaining consistent draft control.\u003c\/p\u003e \u003cp\u003eDesigned for use on CAS-2B, CAS-2C, CAS-2W, and CAS-2B90E combustion air systems, this valve offers rugged construction and dependable performance in industrial settings. Its robust design ensures long service life and reliable venting when vacuum conditions arise, supporting safe startup and efficient operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Works with Field Controls VRV-4 and CAS-2B\/CAS-2C\/CAS-2W\/CAS-2B90E systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Vacuum Relief Valve for combustion air systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable construction\u003c\/b\u003e: Industrial-grade materials built to withstand demanding environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEasy installation\u003c\/b\u003e: Quick mounting with standard connectors and lines\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafe and efficient\u003c\/b\u003e: Maintains proper venting to protect fans and ducts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113651422,"sku":"1196","price":48.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353153_60c48136-a0d1-403f-b002-239fe8d5f179.png?v=1765809823"},{"product_id":"field-controls-cas-4jr-combustion-air-system","title":"Field Controls CAS-4JR Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls CAS-4JR Combustion Air System delivers reliable combustion air for gas appliances. Designed for 24-Volt operation, this unit ensures safe, efficient airflow and dependable performance in residential or commercial settings.\u003c\/p\u003e \u003cp\u003eThe CAS-4JR is engineered to support 24 Volt gas appliances with an appliance input up to 110000 BTU\/Hour. It uses a dedicated fuel-type system (Gas) and ships with practical installation features, including a 4 Inch Intake Air Hood and a Fan-In-A-Can. This package is ETL listed for Canada and US, reflecting thorough safety and compliance testing.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Combustion Air System\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFuel Type:\u003c\/b\u003e Gas\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAppliance Input:\u003c\/b\u003e 110,000 BTU\/Hour\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIntake:\u003c\/b\u003e 4 Inch Intake Air Hood\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFan:\u003c\/b\u003e Fan-In-A-Can\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertification:\u003c\/b\u003e ETL listed (Canada and US)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113684190,"sku":"111346","price":404.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339005_9a81fe7b-c08c-4155-b31c-41242c8b9f2c.jpg?v=1765823005"},{"product_id":"field-controls-cas-4p-combustion-air-system","title":"Field Controls CAS-4P Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CAS-4P Combustion Air System\u003c\/b\u003e is a reliable combustion air system designed for gas-fired boilers with an automatic vent damper. This ETL-listed unit provides a steady, code-compliant air supply to optimize burner performance and safety in both Canada and the US.\u003c\/p\u003e \u003cp\u003eWith appliance input up to 450,000 BTU\/hour, the CAS-4P includes essential components for quick, trouble-free installation: a 4-inch intake air hood, Fan-In-A-Can, and a 6-to-4 inch reducer restrictor plate (ADA-1).\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eFuel type:\u003c\/b\u003e Gas\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Used on boilers with automatic vent dampers\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded components:\u003c\/b\u003e 4\" intake air hood, Fan-In-A-Can, ADA-1 reducer plate\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDucting compatibility:\u003c\/b\u003e 6-to-4 inch reducer plate for versatile sizing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e ETL-listed for Canada and US\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance:\u003c\/b\u003e Appliance input up to 450,000 BTU\/hour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113749726,"sku":"102199","price":698.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353189_bec2e053-4966-4e01-884f-dd18500edab8.jpg?v=1765820091"},{"product_id":"field-controls-cas-2b-90e-combustion-air-system","title":"Field Controls CAS-2B-90E Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls CAS-2B-90E Combustion Air System delivers reliable combustion air for oil burners. This dedicated combustion air system supports oil-fired appliances with an appliance input up to 1.5 GPH and meets UL standards for Canada and US. It includes a 4 inch intake air hood and a 4 inch vacuum relief valve field air boot to ensure balanced air supply and safe relief during operation. The rugged enclosure resists heat and dust, helping ensure long service life in demanding boiler rooms.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Specifically designed for \u003ci\u003eoil burner\u003c\/i\u003e installations that need a dedicated \u003cb\u003ecombustion air system\u003c\/b\u003e to support safe, efficient operation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded hardware:\u003c\/b\u003e Ships with a \u003cb\u003e4 inch intake air hood\u003c\/b\u003e and a \u003cb\u003e4 inch vacuum relief valve field air boot\u003c\/b\u003e for immediate integration.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance:\u003c\/b\u003e Supports appliance input up to \u003cb\u003e1.5 GPH\u003c\/b\u003e, delivering steady, balanced air supply.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e UL standard compliance for \u003cb\u003eCanada and US\u003c\/b\u003e, ensuring safety and compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurability \u0026amp; installation:\u003c\/b\u003e Rugged enclosure resists heat and dust; field-ready design enables straightforward on-site setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for professional installations needing dependable combustion air management in oil-burning systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605113848030,"sku":"56553","price":221.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00338406_ad391977-2581-4696-a167-123725d2555f.jpg?v=1765822224"},{"product_id":"field-controls-cas-2b-combustion-air-system","title":"Field Controls CAS-2B Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCAS-2B Combustion Air System\u003c\/b\u003e from Field Controls delivers reliable air intake for oil burner installations. This combustion air system is designed for use on oil burners and complies with UL (Canada and US) standards, ensuring safe, code-compliant operation in heating or boiler setups.\u003c\/p\u003e \u003cp\u003eEngineered for dependable performance, the \u003cb\u003eCAS-2B Combustion Air System\u003c\/b\u003e supports an appliance input of \u003cb\u003e2 GPH\u003c\/b\u003e and is compatible with typical oil burner configurations. It includes essential components that simplify installation: \u003cb\u003e4 Inch Intake Air Hood\u003c\/b\u003e and \u003cb\u003e4 Inch Vacuum Relief Valve Field Air Boot\u003c\/b\u003e, providing steady airflow and effective pressure relief where required. Built to meet safety requirements, this system helps maintain proper combustion air supply and overall burner efficiency.\u003c\/p\u003e \u003cp\u003ePerfect for residential or commercial heating applications, this combustion air system ensures proper ventilation, consistent operation, and compliance with UL standards in both Canada and the United States. Use with oil fuel to promote stable ignition, reduced fuel waste, and longer equipment life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for oil burner applications\u003c\/li\u003e\n\u003cli\u003eFuel type: Oil\u003c\/li\u003e\n\u003cli\u003eAppliance input: 2 GPH\u003c\/li\u003e\n\u003cli\u003eIncludes: 4 Inch Intake Air Hood\u003c\/li\u003e\n\u003cli\u003eIncludes: 4 Inch Vacuum Relief Valve Field Air Boot\u003c\/li\u003e\n\u003cli\u003eUL (Canada and US) compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605114175710,"sku":"1125","price":184.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00352669_604aa23c-f0e3-40f7-8c67-85281a6fdea6.jpg?v=1765809583"},{"product_id":"field-controls-cas-2c-combustion-air-system","title":"Field Controls CAS-2C Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CAS-2C Combustion Air System\u003c\/b\u003e delivers a reliable, code-compliant air supply for oil-fired appliances. This Type Combustion Air System is designed for use on oil burners, using fuel oil and supporting appliance inputs up to 2 GPH. The unit includes a 4 inch intake air hood, a 4 inch vacuum relief valve, and a field air boot to ensure steady, balanced airflow. UL listed for both Canada and the US, it helps meet safety, efficiency, and installation standards in residential and light commercial settings. Designed for straightforward installation and durable performance in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eImproves combustion efficiency and safety for oil burners\u003c\/li\u003e \u003cli\u003eIncludes 4\" intake hood and 4\" vacuum relief valve for reliable air flow\u003c\/li\u003e \u003cli\u003eField air boot enables balanced distribution of combustion air\u003c\/li\u003e \u003cli\u003eUL listed for installations in Canada and the United States\u003c\/li\u003e \u003cli\u003eSuitable for appliances with up to 2 GPH input\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605114568926,"sku":"1126","price":193.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00352668_23b2b704-fba3-4587-86db-34a556c26d36.jpg?v=1765809586"},{"product_id":"field-controls-cas-1-combustion-air-system","title":"Field Controls CAS-1 Combustion Air System","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCAS-1 Combustion Air System\u003c\/b\u003e from Field Controls delivers reliable, code-compliant combustion air for oil-burning appliances. The CAS-1 is designed for oil burners and provides a dedicated air supply to ensure safe, efficient operation. With an appliance input of 2 GPH, this system supports standard residential and commercial oil heating setups. It includes a 4-inch intake air hood and a 4-inch vacuum relief valve, and it meets UL (Canada and US) standards for safety and performance. 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This compact, drum-style commercial fan-in-a-drum solution optimizes combustion efficiency and helps minimize fuel waste. Engineered for durability, the CAS-7SK integrates seamlessly into existing ductwork with straightforward installation and maintenance.\u003c\/p\u003e \u003cp\u003eKey specifications ensure it covers a wide range of burner sizes, from 840,000 to 1,800,000 BTU, and supports fuel flow of 6–12 GPH. The unit is designed for rugged industrial environments and provides a steady, dependable air supply to improve combustion performance and reduce emissions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDrum-style, commercial combustion air fan designed for gas or oil burners\u003c\/li\u003e \u003cli\u003eBroad BTU range: 840,000–1,800,000 BTU for versatile applications\u003c\/li\u003e \u003cli\u003eFuel flow rating 6–12 GPH supports efficient operation\u003c\/li\u003e \u003cli\u003eRugged industrial construction for long-term reliability\u003c\/li\u003e \u003cli\u003eEasy installation and maintenance with minimal ductwork modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605114896606,"sku":"42419","price":2525.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353205_3f3b36e6-bf75-46ce-82e0-9267b97f68e2.jpg?v=1765824609"},{"product_id":"field-controls-edh-1-de-humidistat","title":"Field Controls EDH-1 De-Humidistat","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls EDH-1 De-Humidistat is a reliable humidity-control device designed for use with the EL-1 Eliminator Foundation Vent Fan. This 120-volt de-humidistat automatically senses ambient humidity and activates or deactivates ventilation to maintain optimal conditions.\u003c\/p\u003e\n\u003cp\u003eThe EDH-1 is a Type De-Humidistat built for dependable humidity control, providing seamless integration with Field Controls systems and standard electrical setups. Used on the EL-1 Eliminator Foundation Vent Fan, it helps regulate moisture levels with hands-off operation for consistent performance.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e EDH-1\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e De-Humidistat\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 120 Volt\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e EL-1 Eliminator Foundation Vent Fan\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Field Controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605115781342,"sku":"64776","price":47.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339101_95211198-2fb0-4a09-bb9b-7ea7260ff8da.jpg?v=1765823200"},{"product_id":"field-controls-dip-1-draft-inducer-fan-proving-switch","title":"Field Controls DIP-1 Draft Inducer Fan Proving Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eDraft Inducer Fan Proving Switch\u003c\/b\u003e by Field Controls is a trusted safety component for modern furnaces. The DIP-1 Draft Inducer Fan Proving Switch is a type Fan Proving Switch Kit used on draft inducers to confirm proper venting before the inducer runs.\u003c\/p\u003e\n\u003cp\u003eDesigned for straightforward installation and dependable performance, this proven switch ensures safe operation by verifying the presence of adequate draft in your venting system. It’s ideal for field service or fleet replacements where a robust proving switch is required.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Fan Proving Switch Kit\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsed On:\u003c\/b\u003e Draft Inducer\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Field Controls\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e DIP-1 compatible solutions for draft inducer assemblies\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety:\u003c\/b\u003e Verifies draft before the furnace inducer starts to protect equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGet reliable draft verification with this Field Controls DIP-1 Draft Inducer Fan Proving Switch and keep your heating system running smoothly year after year.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605116240094,"sku":"1156","price":165.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00345975_7e28a6c3-2483-4d6a-a4ef-5fb85033bc70.jpg?v=1765809657"},{"product_id":"field-controls-di-3-draft-inducer","title":"Field Controls DI-3 Draft Inducer","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls DI-3 Draft Inducer\u003c\/b\u003e is a reliable draft inducer designed for oil- and gas-fired furnaces, water heaters, and boilers. This 115V AC unit delivers 1725 RPM and 186 watts, with built-in thermal protection for safe operation and ETL listing for both Canada and the United States. Its rugged construction supports reliable operation across seasonal climates. Its compact footprint pairs with an 8 to 12 inch pipe size, making it a versatile upgrade for existing venting systems. The DI-3 is engineered for steady performance, energy efficiency, and long service life in residential and light commercial installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Draft inducer for oil- and gas-fired furnaces, water heaters, and boilers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical specs:\u003c\/b\u003e 115V AC, 60 Hz; draws 3.9 A; 186 W.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance:\u003c\/b\u003e 1725 RPM for reliable venting and combustion safety.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePhysical fit:\u003c\/b\u003e 12-9\/16 in L × 10-1\/8 in W × 9 in D; pipe size 8–12 in.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety \u0026amp; certification:\u003c\/b\u003e Thermal protection and ETL listed (Canada \u0026amp; US).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605116698846,"sku":"1152","price":782.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001783_7b294965-5451-4e81-810a-d27cdfea4281.jpg?v=1765809643"},{"product_id":"field-controls-di-1-draft-inducer","title":"Field Controls DI-1 Draft Inducer","description":"\u003cdiv\u003e\n\u003cp\u003eThe DI-1 Draft Inducer from Field Controls delivers reliable combustion air flow for oil- and gas-fired furnaces, water heaters, and boilers. This compact unit supports 3 to 6 inch pipe sizes and operates on 115 V AC, 60 Hz for dependable performance.\u003c\/p\u003e \u003cp\u003eEngineered for efficiency, the DI-1 runs at 1550 RPM with a 33 W power rating and 0.43 A current. It includes thermal protection and is ETL listed for Canada and the US, ensuring safe, code-compliant operation in residential and commercial settings.\u003c\/p\u003e \u003cp\u003eWith overall dimensions of 8-2\/32 in L x 8-13\/16 in W x 5-17\/32 in D, this draft inducer is designed for straightforward replacement and easy integration into existing heating systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003ePipe size\u003c\/b\u003e: 3 to 6 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage\u003c\/b\u003e: 115 V AC, 60 Hz\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent\u003c\/b\u003e: 0.43 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePower\u003c\/b\u003e: 33 W\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSpeed\u003c\/b\u003e: 1550 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProtection\u003c\/b\u003e: Thermal protection\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eListing\u003c\/b\u003e: ETL listed (Canada and US)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: 8-2\/32\" L x 8-13\/16\" W x 5-17\/32\" D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for upgrading existing oil- or gas-fired heating equipment, this draft inducer helps improve venting efficiency, reduces backdraft risk, and supports reliable HVAC performance across residential and commercial installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605117157598,"sku":"1150","price":271.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001783_7b294965-5451-4e81-810a-d27cdfea4281.jpg?v=1765809643"},{"product_id":"field-controls-di-2-draft-inducer","title":"Field Controls DI-2 Draft Inducer","description":"\u003cdiv\u003e\n\u003cp\u003eDraft Inducer: The Field Controls DI-2 Draft Inducer provides dependable venting assistance for oil-fired furnaces, gas-fired furnaces, water heaters, and boilers. Built for durable performance, this unit helps ensure efficient combustion and safer operation across residential heating systems.\u003c\/p\u003e \u003cp\u003eWith a compact footprint of 9-7\/16 inches long, 9-3\/16 inches wide, and 6-7\/16 inches deep, it fits a range of installations while supporting pipe sizes from 5 to 8 inches.\u003c\/p\u003e \u003cp\u003ePowered by 115 Volt AC at 60 Hz, the DI-2 draws 1.1 amps and delivers 78 watts of dependable performance at up to 1550 RPM. The included thermal protection helps safeguard equipment, and it carries ETL certification for both Canada and US, ensuring safety and compliance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrimary applications:\u003c\/b\u003e compatible with oil-fired furnaces, gas-fired furnaces, water heaters, and boilers\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical specs:\u003c\/b\u003e 115V AC, 60 Hz, 1.1 A, 78 W, 1550 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety:\u003c\/b\u003e thermal protection and ETL listed (Canada \u0026amp; US)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFitment:\u003c\/b\u003e pipe size 5–8 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e robust construction for long service life in heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605117518046,"sku":"1151","price":363.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001783_7b294965-5451-4e81-810a-d27cdfea4281.jpg?v=1765809643"},{"product_id":"field-controls-ab-1-duct-air-booster","title":"Field Controls AB-1 Duct Air Booster","description":"\u003cdiv\u003e\n\u003cp\u003eThe AB-1 Duct Air Booster from Field Controls is a heavy-duty duct booster designed for heating and central air conditioning systems. This compact unit fits 1 inch ducts and accommodates both round and square duct layouts, making it versatile for retrofit projects and new installations alike.\u003c\/p\u003e\n\u003cp\u003ePowered by 120V AC at 60 Hz, it draws only 0.5 A and uses 38 watts to deliver strong, reliable airflow. With a motor speed of 1725 RPM, the booster maintains steady performance across a wide range of operating conditions and helps balance airflow where it’s most needed, ensuring even temperatures.\u003c\/p\u003e\n\u003cp\u003eUL approved for both Canada and the US, the AB-1 is built for durability and safety. It supports duct shapes round or square, up to 1 inch size, and is rated for temperatures up to 180°F, making it suitable for heating and central air conditioning applications in challenging environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAir Flow\u003c\/b\u003e: 305 CFM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDuct Compatibility\u003c\/b\u003e: 1 in; round or square\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical\u003c\/b\u003e: 120V AC, 60 Hz, 0.5 A, 38 W\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance\u003c\/b\u003e: 1725 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTemperature Rating\u003c\/b\u003e: Up to 180°F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertification\u003c\/b\u003e: UL listed for Canada and US\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605117681886,"sku":"1123","price":174.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001804_704f5087-f297-483f-a2ae-94df643765ed.jpg?v=1765809579"},{"product_id":"field-controls-ab-8-duct-air-booster","title":"Field Controls AB-8 Duct Air Booster Fan","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls AB-8 Duct Air Booster is a high-efficiency duct booster fan designed to improve airflow in heating and central air conditioning systems. With a compact 8 inch round duct footprint and 120 Volt AC operation at 60 Hz, this unit delivers reliable performance where airflow is needed most.\u003c\/p\u003e \u003cp\u003eEngineered for steady, near-silent operation, it pairs rugged construction with energy-conscious performance. Boasting a 0.8 Amp draw, 45 Watt power rating, and a powerful 425 CFM airflow, the AB-8 helps balance temperatures and boost supply to zones that underperform.\u003c\/p\u003e \u003cp\u003eIdeal for retrofits and new installations in residential or light commercial settings, its UL approval for Canada and the US ensures safety and quality. The unit operates up to 160°F, making it compatible with typical HVAC ductwork and heat sources.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAirflow\u003c\/b\u003e: 425 CFM for strong, even distribution\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDuct size\u003c\/b\u003e: 8 inch round duct design for easy integration\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical\u003c\/b\u003e: 120V AC, 60 Hz; 0.8 A; 45 W\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Heating and central air conditioning systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety \u0026amp; Standards\u003c\/b\u003e: UL approved (Canada and US)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTemperature rating\u003c\/b\u003e: Up to 160°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605118238942,"sku":"1163","price":70.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001784_a05b8dc6-6146-489b-bbf4-b29e39ab59e6.jpg?v=1765809673"},{"product_id":"field-controls-el-1-eliminator-foundation-vent-fan","title":"Field Controls EL-1 Eliminator Foundation Vent Fan","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls EL-1 Eliminator Foundation Vent Fan is built for dependable foundation ventilation, combining a galvanized steel housing with a compact, durable design. Ideal for new construction or retrofit projects, it provides quiet, reliable operation in crawl spaces and basements.\u003c\/p\u003e\n\u003cp\u003eWith a high-speed motor delivering 3000 RPM and a maximum airflow of 135 CFM, it efficiently exhausts stale air while drawing only 35 watts from a 120 Volt AC, 60 Hz supply and a 0.6 Amp current.\u003c\/p\u003e\n\u003cp\u003eUL approved for safety and performance, this fan features a robust mounting plate sized 14-3\/8 inch by 6-7\/8 inch and a galvanized finish that resists corrosion in damp environments.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHigh-speed motor at 3000 RPM for strong ventilation\u003c\/li\u003e \u003cli\u003eDelivers up to 135 CFM airflow\u003c\/li\u003e \u003cli\u003eLow power consumption at 35 Watts\u003c\/li\u003e \u003cli\u003eInput: 120V AC, 60 Hz; 0.6 A current\u003c\/li\u003e \u003cli\u003eDurable galvanized steel housing with corrosion-resistant finish\u003c\/li\u003e \u003cli\u003eMounting plate size: 14-3\/8\" x 6-7\/8\"\u003c\/li\u003e \u003cli\u003eUL approved for safe operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605118501086,"sku":"64775","price":152.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339099_f316ddd3-f89a-4fb1-8b87-44a260274e39.jpg?v=1765823198"},{"product_id":"field-controls-4mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 4MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls 4MG1 Gas Fired Furnace\/Boiler Draft Control is a precise, durable solution for managing draft in gas-fired heating systems. This Type Draft Control, Double Acting model is used on gas fired furnaces and boilers to regulate draft pressure and ensure safe, efficient operation. Built to withstand the rigors of commercial and residential HVAC applications, the 4MG1 performs reliably under varying firebox conditions, helping maintain consistent combustion and minimize energy waste.\u003c\/p\u003e\n\u003cp\u003eDesigned for easy installation and compatibility with standard draft systems, it carries UL (Canada and US) and CSA approvals for peace of mind.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Draft Control, Double Acting\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Used On Gas Fired Furnace and Boiler\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Overall Dimension 4-9\/16 Inch Outer Diameter; Control Size 4 Inch; Nominal Capacity 12.6 Square Inch; Circumference 9-1\/2 to 12-1\/2 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: 24 Gauge (Ring\/Gate), 25 Gauge (Collar)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertifications\u003c\/b\u003e: UL (Canada and US), CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605118533854,"sku":"1106","price":103.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-5mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 5MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls 5MG1 Gas Fired Furnace\/Boiler Draft Control provides precise draft regulation for gas-fired systems. This \u003cb\u003eType Draft Control\u003c\/b\u003e is \u003cb\u003edouble-acting\u003c\/b\u003e and designed for use on \u003cb\u003egas-fired furnaces and boilers\u003c\/b\u003e, delivering dependable performance in commercial and residential applications.\u003c\/p\u003e \u003cp\u003eKey specifications and construction details ensure compatibility and longevity: overall diameter 5-9\/16 inches; control size 5 inches; nominal capacity 19.6 square inches; circumference 12-1\/2 to 15-3\/4 inches. The unit uses 24 gauge ring\/gate material with a 26 gauge collar and carries UL (Canada and US) and CSA approvals for safety and compliance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDouble-acting draft control design for responsive regulation\u003c\/li\u003e \u003cli\u003eSuitable for gas-fired furnaces and boilers\u003c\/li\u003e \u003cli\u003eCompact 5-inch control size with 5-9\/16\" outer diameter\u003c\/li\u003e \u003cli\u003eNominal 19.6 sq in capacity; rugged 24-gauge ring\/gate and 26-gauge collar\u003c\/li\u003e \u003cli\u003eUL (Canada and US) and CSA approved for safety and compliance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEngineered for reliable, long service life in demanding boiler and furnace installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605118992606,"sku":"1108","price":113.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-6mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 6MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003eGas Fired Furnace\/Boiler Draft Control from Field Controls, model 6MG1, delivers precise draft regulation for gas-fired furnaces and boilers. This Field Controls draft control uses a double-acting mechanism to respond to flue changes and maintain stable draft for efficient operation. Designed for use on gas-fired furnaces and boilers, the 6MG1 offers robust construction and precise sizing for dependable performance in demanding environments. Approved for UL (Canada and US) and CSA, it meets essential safety and compatibility standards while supporting reliable operation in both residential and commercial settings. Key specifications and features at a glance:\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Draft Control, Double Acting\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Used On Gas Fired Furnace and Boiler\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: Control Size 6 inch; Outer Diameter 6-5\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal Capacity\u003c\/b\u003e: 28.3 square inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCircumference\u003c\/b\u003e: 15-3\/4\" to 19\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial Thickness\u003c\/b\u003e: Ring\/Gate 24 gauge; Collar 26 gauge\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApprovals\u003c\/b\u003e: UL (Canada and US), CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119123678,"sku":"1111","price":118.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-7mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 7MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls 7MG1 Gas Fired Furnace\/Boiler Draft Control\u003c\/b\u003e is designed for precise draft regulation in gas-fired furnaces and boilers. This double-acting draft control delivers reliable modulation of flue draft to optimize combustion and efficiency. UL (Canada and US) and CSA approvals ensure safe, code-compliant performance across installations.\u003c\/p\u003e\n\u003cp\u003eConstructed for durability, the unit features an outer diameter of 7-5\/8 inches with a 7 inch control size. The nominal capacity is 38.5 square inches and a circumference of 19 to 22 inches, making it compatible with standard field mounting configurations. The ring\/gate uses 22 gauge material, while the collar is 26 gauge, providing a robust balance of strength and weight.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eType: Draft Control, Double Acting\u003c\/li\u003e \u003cli\u003eUsed On: Gas Fired Furnace and Boiler\u003c\/li\u003e \u003cli\u003eOverall Dimension: 7-5\/8\" Outer Diameter\u003c\/li\u003e \u003cli\u003eControl Size: 7\"\u003c\/li\u003e \u003cli\u003eNominal Capacity: 38.5 sq in\u003c\/li\u003e \u003cli\u003eCircumference: 19–22\"\u003c\/li\u003e \u003cli\u003eMaterial: 22 GA Ring\/Gate; 26 GA Collar\u003c\/li\u003e \u003cli\u003eApprovals: UL (Canada and US), CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119189214,"sku":"1114","price":126.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-8mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 8MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls 8MG1 Gas Fired Furnace\/Boiler Draft Control is a reliable drafting solution for gas-fired furnaces and boilers. This Type Draft Control is double acting, delivering precise pressure regulation to help maintain safe combustion and efficient operation.\u003c\/p\u003e \u003cp\u003eKey specs include an Overall Dimension 8-11\/16 Inch Outer Diameter and a Control Size of 8 Inch, with a Nominal Capacity of 50.3 Square Inch. The Circumference ranges from 22 to 25-1\/4 Inch. Crafted with Material Thickness 20 Gauge (Ring\/Gate) and 26 Gauge (Collar), it’s built to withstand typical boiler room conditions. It carries UL approvals for Canada and the US, along with CSA certification for added reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Draft Control, Double Acting\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Gas Fired Furnace and Boiler draft regulation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 8-11\/16\" outer diameter; 8\" control size; circumference 22–25-1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 20 Gauge ring\/gate, 26 Gauge collar\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertifications:\u003c\/b\u003e UL (Canada\/US), CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119320286,"sku":"1118","price":163.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-9mg1-gas-fired-furnace-boiler-draft-control","title":"Field Controls 9MG1 Gas Fired Furnace\/Boiler Draft Control","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls 9MG1 Gas Fired Furnace\/Boiler Draft Control delivers precise draft regulation for gas-fired furnaces and boilers. It is a double acting draft control designed for reliable operation on gas-fired systems.\u003c\/p\u003e \u003cp\u003eDurable construction combines a 9-inch control size with an outer diameter of 9-11\/16 inches, and a circumference range of 25-1\/4 to 28-1\/4 inches. The unit’s nominal capacity is 63.6 square inches, with 20 gauge material for the ring\/gate and 26 gauge for the collar, ensuring solid performance in demanding environments.\u003c\/p\u003e \u003cp\u003eDesigned for safety and compliance, this draft control is UL approved for Canada and US markets and CSA certified, making it a dependable choice for both residential and commercial gas-fired applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Draft Control, Double Acting\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Used On Gas Fired Furnace and Boiler\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Control Size 9 inches; Outer Diameter 9-11\/16 inches; Circumference 25-1\/4 to 28-1\/4 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNominal Capacity:\u003c\/b\u003e 63.6 square inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 20 Gauge (Ring\/Gate), 26 Gauge (Collar)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertifications:\u003c\/b\u003e UL (Canada and US), CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119353054,"sku":"1121","price":183.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001786_05f7b2aa-b722-4eb6-a274-d8880d3c15d0.jpg?v=1765809524"},{"product_id":"field-controls-ck-20fv-gas-fired-water-heater-control-kit","title":"Field Controls CK-20FV Gas Fired Water Heater Control Kit","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CK-20FV Gas Fired Water Heater Control Kit\u003c\/b\u003e is a reliable, safety-focused solution for 30 millivolt gas-fired water heaters, pools, and spas. Built to support CAS-4, CAS-4Jr, and CAS-4TMR configurations, this kit delivers trusted ignition control and safe venting monitoring. It is ETL-listed for Canada and the US, ensuring compliance across installations.\u003c\/p\u003e \u003cp\u003eDesigned to work with 30 millivolt systems, the CK-20FV provides essential safety and performance components, including a Fan Control Gas Pressure Switch, a GSK-3 Spillage Switch Kit, and a TCA-1 Thermocouple Adapter, along with the necessary hardware to complete a robust installation.\u003c\/p\u003e \u003cp\u003eKey features and kit contents include the following components to ensure simple installation and reliable operation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFan Control Gas Pressure Switch (46506800)\u003c\/li\u003e \u003cli\u003eGSK-3 Spillage Switch Kit (46086400)\u003c\/li\u003e \u003cli\u003eTCA-1 Thermocouple Adapter (46082700)\u003c\/li\u003e \u003cli\u003eFlexible Conduit Connector\u003c\/li\u003e \u003cli\u003e1\/8\" Threaded x 3\" Pipe Nipple\u003c\/li\u003e \u003cli\u003e1\/8\" Threaded Pipe Tee\u003c\/li\u003e \u003cli\u003e6 ft of Wire (12–2 AWG)\u003c\/li\u003e \u003cli\u003e12\" Jumper Wire\u003c\/li\u003e \u003cli\u003eJunction Box\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an existing system or equipping a replacement, the Field Controls CK-20FV Gas Fired Water Heater Control Kit provides safe ignition, accurate flame monitoring, and durable hardware for dependable performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119549662,"sku":"1129","price":278.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001801_518ff147-8c47-4245-b4f2-faffb787f7a1.gif?v=1765809588"},{"product_id":"field-controls-ck-41f-gas-fired-water-heater-power-venter-control-kit","title":"Field Controls CK-41F Gas Fired Water Heater Power Venter Control Kit","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CK-41F Gas Fired Water Heater Power Venter Control Kit\u003c\/b\u003e delivers reliable venting control for your gas-fired water heater. This 24 Volt AC control kit is designed for use on furnaces, boilers, unit heaters, and gas-fired water heaters with a power vent, and is compatible with SWG model\/brand systems.\u003c\/p\u003e\n\u003cp\u003eDesigned to work with a \u003cb\u003egas-fired water heater\u003c\/b\u003e power vent setup, the CK-41F ensures safe operation and efficient venting across 24V control circuits. It combines essential safety components with durable hardware to simplify installation and long-term reliability.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePressure Switch (46273100): ensures accurate vent pressure sensing for reliable ignition and safe venting in gas-fired water heater power vent systems.\u003c\/li\u003e \u003cli\u003eTimer Fixed Post Purge (46282800): controls post-purge timing to clear residual combustion gases after shutdown.\u003c\/li\u003e \u003cli\u003eGSK-3 Spillage Switch (46086400): detects spillage or improper venting to trigger immediate safety shutoff.\u003c\/li\u003e \u003cli\u003eFixed Post Purge: provides consistent purge flow to maintain safe venting during operation.\u003c\/li\u003e \u003cli\u003e1\/4 Inch Tubing Connector: quick-connect fitting for purge or vent lines.\u003c\/li\u003e \u003cli\u003e2 Foot Length of 1\/4 Inch Aluminum Tubing: durable tubing for compact venting loops.\u003c\/li\u003e \u003cli\u003e2 Flexible Conduit Connectors: simplify installation and routing of electrical connections.\u003c\/li\u003e \u003cli\u003e1 Junction Box: central mounting point for wiring and safety components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEquip your system with this field-proven kit to ensure dependable performance, improved safety, and easy compatibility with 24V furnace, boiler, and water heater setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119746270,"sku":"1136","price":272.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001801_518ff147-8c47-4245-b4f2-faffb787f7a1.gif?v=1765809588"},{"product_id":"field-controls-ck-41p-gas-fired-water-heater-power-venter-control-kit","title":"Field Controls CK-41P Gas Fired Water Heater Power Venter Control Kit","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eField Controls CK-41P Gas Fired Water Heater Power Venter Control Kit\u003c\/b\u003e is a complete, reliable \u003ci\u003egas fired water heater control kit\u003c\/i\u003e designed for safe power venting. This 24-volt AC kit is built for use with furnaces, boilers, unit heaters, and gas-fired water heaters, compatible with SWG models. It consolidates essential safety controls into one package for easier field service, helping technicians install, replace, or upgrade venting systems with confidence.\u003c\/p\u003e \u003cp\u003eWith included components and connectors, the CK-41P supports precise venting control and dependable operation. It features a pressure switch, a timer-fixed post purge, a GSK-3 spillage switch, a wiring harness, and fixed post purge hardware, plus practical line fittings and cable. The 7-inch vent damper cable and tubing\/conduit connectors simplify routing and installation while maintaining safety standards.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eComplete components\u003c\/b\u003e — Pressure Switch (46273100), Timer Fixed Post Purge (46282800), GSK-3 Spillage Switch (46086400), Wiring Harness (46457200), Fixed Post Purge hardware, plus (1) 1\/4\" tubing connector and (2) flexible conduit connectors.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVentation hardware\u003c\/b\u003e — 7\" vent damper cable ensures reliable venting control and compatibility with common vent runs.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSystem compatibility\u003c\/b\u003e — Designed for 24 Volt AC systems and suitable for 24V furnaces, boilers, unit heaters, and gas-fired water heaters; SWG models supported.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSafety features\u003c\/b\u003e — Spillage switch protects against backdraft; purge timer promotes safe shutdown and efficient combustion.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your field service capabilities with the Field Controls CK-41P kit for dependable performance and compliant venting across compatible SWG systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605119811806,"sku":"101355","price":285.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00344190_17924e37-5ea0-4bb9-ae87-4acd1ddeb3e6.jpg?v=1765818023"},{"product_id":"field-controls-ck-43f-gas-fired-water-heater-power-venter-control-kit","title":"Field Controls CK-43F Gas Fired Water Heater Power Venter Control Kit","description":"\u003cdiv\u003e\n\u003cp\u003eThe Field Controls CK-43F Gas Fired Water Heater Power Venter Control Kit is an all-in-one solution for upgrading a 24-volt gas-fired water heater power vent system. Compatible with SWG models, this kit ensures safe, efficient venting and reliable operation by combining key controls in a single package.\u003c\/p\u003e \u003cp\u003eThe kit includes essential components and fittings to support a complete install and dependable venting performance. Primary parts include a \u003cb\u003ePressure Switch (46273100)\u003c\/b\u003e, a \u003cb\u003e4 Inch MG1 Draft Control (46198901)\u003c\/b\u003e, and a \u003cb\u003eTimer Fixed Post Purge (46282800)\u003c\/b\u003e, along with tubing and connectors to simplify connections in tight spaces.\u003c\/p\u003e \u003cp\u003eDesigned for quick installation and durable service, this control kit helps service technicians reduce setup time while maintaining proper draft, purge cycles, and overall system safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePressure Switch (46273100)\u003c\/li\u003e \u003cli\u003e4 Inch MG1 Draft Control (46198901)\u003c\/li\u003e \u003cli\u003eTimer Fixed Post Purge (46282800)\u003c\/li\u003e \u003cli\u003e1\/4 Inch Tubing Connector\u003c\/li\u003e \u003cli\u003e2 Foot Length of 1\/4 Inch Aluminum Tubing\u003c\/li\u003e \u003cli\u003e2 Flexible Conduit Connectors\u003c\/li\u003e \u003cli\u003eJunction Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605120008414,"sku":"1135","price":327.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001801_518ff147-8c47-4245-b4f2-faffb787f7a1.gif?v=1765809588"},{"product_id":"field-controls-ck-92fv-gas-fired-water-heater-power-venter-control-kit","title":"Field Controls CK-92FV Gas Fired Water Heater Power Venter Control Kit","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eField Controls CK-92FV Gas Fired Water Heater Power Venter Control Kit\u003c\/b\u003e is engineered for safe, reliable venting of gas-fired water heaters. This complete control kit is designed for use on gas-fired furnaces\/boilers and 30 millivolt water heater power venters, delivering precise draft control, robust safety switches, and dependable gas pressure monitoring. Whether upgrading an SWG system or replacing worn components, the CK-92FV provides a proven solution for efficient operation and peace of mind.\u003c\/p\u003e \u003cp\u003eKey features and components ensure quick installation and long-term performance in your gas-fired system. This kit includes essential safety and control parts as well as required line fittings and wiring to support a complete replacement.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTimer Fixed Post Purge (46282800)\u003c\/li\u003e \u003cli\u003ePressure Switch (46273100)\u003c\/li\u003e \u003cli\u003eGas Pressure Switch (46506800)\u003c\/li\u003e \u003cli\u003eGSK-3 Spillage Switch Kit (46086400)\u003c\/li\u003e \u003cli\u003e4 Inch MG1 Draft Control (46198901)\u003c\/li\u003e \u003cli\u003eTCA-1 Thermocouple Adapter (46082700)\u003c\/li\u003e \u003cli\u003e1\/4 Inch Tubing Connector\u003c\/li\u003e \u003cli\u003e2 Foot 1\/4 Inch Aluminum Tubing\u003c\/li\u003e \u003cli\u003e8 Inch Jumper Wire\u003c\/li\u003e \u003cli\u003e6 Foot Wire 12 to 2 AWG\u003c\/li\u003e \u003cli\u003e1\/8 Inch Threaded Pipe Nipple\u003c\/li\u003e \u003cli\u003e1\/8 Inch Threaded x 3 Inch Pipe Elbow\u003c\/li\u003e \u003cli\u003e1\/8 Inch Threaded x 1\/4 Inch OD Tubing Elbow\u003c\/li\u003e \u003cli\u003e1\/8 Inch Threaded Pipe Tee\u003c\/li\u003e \u003cli\u003e2 Flexible Conduit Connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605120336094,"sku":"1145","price":502.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00342336_1272a34a-fd47-498e-afbd-42570b271c7e.jpg?v=1765809627"},{"product_id":"field-controls-dco1170004-gas-furnace-boiler-thermal-safety-switch","title":"Field Controls DCO1170004 Gas Furnace\/Boiler Thermal Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eGas Furnace\/Boiler Thermal Safety Switch from Field Controls (DCO1170004) delivers essential protection for your heating system. This Thermal Safety Switch is designed specifically for gas furnaces and boilers, offering reliable SPST control with a normally closed contact that opens at 140°F and requires manual reset to close. It operates at 240V AC with a 12A current rating, and features durable silver contacts for dependable performance.\u003c\/p\u003e \u003cp\u003eKey benefits include precise temperature-triggered safety, easy field installation, and compatibility with standard gas furnace and boiler wiring. The normally closed configuration ensures safe shutdown in overheat conditions, while the manual reset guarantees deliberate reactivation after a trip. Designed for durability in demanding HVAC environments, this Field Controls switch features robust housing, quick setup, and reliable reset performance, helping minimize downtime and protect essential equipment. This robust design is built to withstand vibration, dust, and routine service, ensuring dependable operation in busy mechanical rooms.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal Safety Switch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Used On Gas Furnace and Boiler\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSwitch Type:\u003c\/b\u003e SPST\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 240 VAC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent Rating:\u003c\/b\u003e 12 Amps\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eContact Material:\u003c\/b\u003e Silver\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOperation:\u003c\/b\u003e Normally Closed, Opens at 140°F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReset:\u003c\/b\u003e Manual Reset (Closes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605120663774,"sku":"1148","price":129.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353135_2918cc1b-45c3-4597-9480-0a7e031bb591.jpg?v=1765809632"},{"product_id":"field-controls-dco1170006-gas-furnace-boiler-thermal-safety-switch","title":"Field Controls DCO1170006 Gas Furnace\/Boiler Thermal Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Gas Furnace\/Boiler Thermal Safety Switch delivers essential over-temperature protection for gas furnaces and boilers, helping prevent heat-related hazards and system damage. This Field Controls safety device shuts off the equipment when temperatures exceed safe limits, safeguarding both the system and occupants.\u003c\/p\u003e\n\u003cp\u003eDesigned for reliability in demanding heating environments, it is rated for 240 Volt AC and 12 Amp, featuring durable silver contact construction. The normally closed SPST switch opens at 180°F and requires a manual reset to restore operation, ensuring deliberate re-enabling after a trip. This makes it an ideal safety upgrade for essential heating systems.\u003c\/p\u003e\n\u003cp\u003eKey specifications and compatibility include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Gas furnace and boiler units\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSwitch Type:\u003c\/b\u003e SPST, Normally Closed\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTemperature Rating:\u003c\/b\u003e Opens at 180°F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReset:\u003c\/b\u003e Manual Reset (Closes)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 240 Volt AC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent:\u003c\/b\u003e 12 Amp\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eContact Material:\u003c\/b\u003e Silver\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart\/Model:\u003c\/b\u003e DCO1170006\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Field Controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEquip your heating system with a dependable safety switch that meets essential protection standards, reduces risk, and ensures a controlled restart after a safety trip.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605120860382,"sku":"1149","price":112.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00353145_b76bf463-56ed-48e3-bbeb-d31cd99cb156.jpg?v=1765809634"},{"product_id":"field-controls-gvd-10pl-gas-vent-damper","title":"Field Controls GVD-10PL Gas Vent Damper","description":"\u003cdiv\u003e\n\u003cp\u003eThe Gas Vent Damper GVD-10PL from Field Controls provides precise venting control for gas boilers, combining corrosion resistance with durable stainless steel construction for long-lasting reliability. Engineered to operate at 3 watts with 24-volt AC input at 60 Hz, this unit delivers dependable performance while safely modulating exhaust flow.\u003c\/p\u003e \u003cp\u003eKey specifications ensure compatibility with standard installation requirements. The damper features a 10-inch opening, overall dimensions of 12-1\/8\" in length by 14-7\/8\" in height, and an exposed pipe size of 10-7\/8\". It is crafted from stainless steel for enhanced corrosion resistance in demanding boiler and venting environments and carries CSA approval for both Canada and the United States.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eOpening:\u003c\/b\u003e 10\" opening for versatile venting control\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 12-1\/8\" L x 14-7\/8\" H; \u003ci\u003eExposed pipe size 10-7\/8\"\u003c\/i\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Stainless steel for corrosion resistance and durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePower:\u003c\/b\u003e 3 W at 24 V AC, 60 Hz\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsage:\u003c\/b\u003e Designed for gas boilers\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCertification:\u003c\/b\u003e CSA approved (Canada and US)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605121155294,"sku":"97912","price":294.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001791_34e702be-38e3-44dc-835e-de08b345229a.jpg?v=1765809882"},{"product_id":"field-controls-gvd-12pl-gas-vent-damper","title":"Field Controls GVD-12PL Gas Vent Damper","description":"\u003cdiv\u003e\n\u003cp\u003eGas Vent Damper Field Controls GVD-12PL is a \u003cb\u003ecorrosion-resistant\u003c\/b\u003e, \u003cb\u003estainless steel\u003c\/b\u003e damper designed for reliable venting of \u003cb\u003egas boilers\u003c\/b\u003e. This \u003cb\u003e12-inch opening\u003c\/b\u003e unit features an overall size of \u003cb\u003e12-1\/8\" L x 16-7\/8\" H\u003c\/b\u003e and an exposed pipe size of \u003cb\u003e10-7\/8\"\u003c\/b\u003e, optimized for standard vent configurations in today’s boiler rooms.\u003c\/p\u003e \u003cp\u003eBuilt for tough environments, the GVD-12PL delivers durable life with excellent resistance to corrosion. It carries \u003cb\u003eCSA approval\u003c\/b\u003e for Canada and the United States, ensuring compliance and safety. The damper operates on \u003cb\u003e24 V AC\u003c\/b\u003e at \u003cb\u003e60 Hz\u003c\/b\u003e, drawing only \u003cb\u003e3 watts\u003c\/b\u003e for easy integration with existing boiler controls while maintaining energy efficiency.\u003c\/p\u003e \u003cp\u003eWhether you’re upgrading an old system or installing a new one, this Field Controls model is ready for \u003cb\u003egas boiler\u003c\/b\u003e venting duties. Its robust \u003cb\u003estainless steel\u003c\/b\u003e housing, precise openings, and standard vent dimensions make it a dependable choice for \u003cb\u003eresidential\u003c\/b\u003e or \u003cb\u003ecommercial\u003c\/b\u003e installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOpening size: \u003cb\u003e12 inch\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eOverall size: \u003cb\u003e12-1\/8\" L × 16-7\/8\" H\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eMaterial: \u003cb\u003eStainless steel\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003ePower rating: \u003cb\u003e3 W\u003c\/b\u003e at \u003cb\u003e24 V AC, 60 Hz\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eExposed pipe size: \u003cb\u003e10-7\/8\"\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eUsed on: \u003cb\u003eGas boiler\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eApproval: \u003cb\u003eCSA (Canada and US)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605121351902,"sku":"98478","price":314.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001791_34e702be-38e3-44dc-835e-de08b345229a.jpg?v=1765809882"},{"product_id":"field-controls-gvd-4pl-gas-vent-damper","title":"Field Controls GVD-4PL Gas Vent Damper","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls GVD-4PL Gas Vent Damper is an efficient automatic vent damper designed for 24V gas systems. This 4\" vent damper provides dependable backdraft protection and precise airflow control without requiring a wiring harness.\u003c\/p\u003e \u003cp\u003eEngineered for durability and straightforward installation, this gas vent damper fits standard 4-inch ducting and integrates into existing 24V control setups. Its spring-loaded operation ensures quick response to changing vent conditions, helping optimize safety and energy efficiency.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e4\" nominal diameter vent damper engineered for 24V gas systems, ensuring precise control and compatibility with common residential ductwork.\u003c\/li\u003e \u003cli\u003eAutomatic vent damper design delivers consistent backdraft prevention and rapid response to vent changes, enhancing safety.\u003c\/li\u003e \u003cli\u003eSimple installation—without harness, reducing wiring complexity and helping installers save time on site.\u003c\/li\u003e \u003cli\u003eBuilt for durability with corrosion-resistant materials, suitable for both residential and light commercial use.\u003c\/li\u003e \u003cli\u003eField Controls compatibility: designed to work with standard ducting and 24V controls for seamless system integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605121482974,"sku":"42433","price":193.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00001791_34e702be-38e3-44dc-835e-de08b345229a.jpg?v=1765809882"},{"product_id":"field-controls-gvd-5pl-gas-vent-damper","title":"Field Controls GVD-5PL Gas Vent Damper","description":"\u003cdiv\u003e\n\u003cp\u003eField Controls GVD-5PL Gas Vent Damper is engineered to keep gas boiler venting efficient and safe, delivering reliable airflow control with corrosion resistant and durable operation. This stainless steel damper is built to endure demanding vent environments, and it carries CSA approval for Canada and US, assuring compliant, long-lasting performance in North American installations.\u003c\/p\u003e \u003cp\u003eDesigned for retrofit and new installations, the GVD-5PL maintains proper venting even as system conditions change. 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