{"title":"Hydrolevel","description":"\u003cp\u003eShop HydroLevel low water cutoffs and boiler safety controls at New England Supply House. HydroLevel — a subsidiary of Watts Water Technologies — manufactures electronic and mechanical low water cutoffs, combination controls, and boiler safety devices for steam and hot water heating systems. Their CycleGard and Safeguard series controls protect boilers from the dangers of low water conditions.\u003c\/p\u003e\u003cp\u003eOur HydroLevel inventory includes both electronic and mechanical low water cutoffs for residential and commercial boilers, combination pump controllers, and boiler safety accessories. Boiler technicians and plumbing contractors throughout New England rely on HydroLevel for dependable boiler protection backed by fast shipping from our Massachusetts warehouse.\u003c\/p\u003e","products":[{"product_id":"hydrolevel-os-100-boiler-control-outdoor-sensor-kit","title":"Hydrolevel OS-100 Boiler Control Outdoor Sensor Kit","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel OS-100 Boiler Control Outdoor Sensor Kit\u003c\/b\u003e is a complete outdoor sensing solution for your boiler system. Designed for use with Hydrostat water boiler controls, this outdoor sensor kit delivers reliable outdoor temperature sensing and reset management to optimize efficiency and comfort.\u003c\/p\u003e \u003cp\u003eIt includes an outdoor reset sensor with a 9-foot cable, a sensor mounting bracket with 2 screws and one wire clip, and a 2-spade connector.\u003c\/p\u003e \u003cp\u003eCompatible with Hydrostat Water Boiler Control units, this kit is built for durability in outdoor environments and provides straightforward wiring for quick installation.\u003c\/p\u003e \u003cp\u003eWhether you're updating an existing system or installing a new boiler, this kit gives you the essential components in one convenient package.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOutdoor Reset Sensor with 9 ft cable\u003c\/li\u003e \u003cli\u003eSensor mounting bracket with 2 screws and 1 wire clip\u003c\/li\u003e \u003cli\u003e2-spade connector for quick wiring\u003c\/li\u003e \u003cli\u003eUsed on Hydrostat Water Boiler Control\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eExperience reliable performance and easy maintenance with the Hydrolevel OS-100.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605345779934,"sku":"280367","price":55.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386997_92714435-0f92-425e-934b-68ac1eb6cc80.jpg?v=1765823069"},{"product_id":"hydrolevel-48-101-boiler-control-wall-jacket-mounting-kit","title":"Hydrolevel 48-101 Boiler Control Wall\/Jacket Mounting Kit","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel 48-101 Boiler Control Wall\/Jacket Mounting Kit is the essential mounting solution for secure installation of the Hydrostat water boiler control. This kit facilitates wall or jacket mounting with precision, improving control reliability and accessibility. It pairs seamlessly with Hydrolevel boiler controls and ships complete with all necessary hardware for a quick, tool-friendly setup.\u003c\/p\u003e \u003cp\u003eKey components included:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eIncludes two mounting brackets for robust wall or jacket mounting\u003c\/li\u003e\n\u003cli\u003eRemote sensor to monitor boiler conditions at a distance\u003c\/li\u003e\n\u003cli\u003ePlastic grommet and rubber well cap for protection against dust and moisture\u003c\/li\u003e\n\u003cli\u003eFour #8 x 1\/2 inch self-tapping screws for fast, secure mounting\u003c\/li\u003e\n\u003cli\u003e2-foot sensor cable for flexible placement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for compatibility with Hydrostat boiler control systems, this mounting kit delivers a clean, professional installation and reliable operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605345845470,"sku":"190535","price":55.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386965_ba68d325-e8e5-4452-8289-f3b006a3eff8.jpg?v=1765810963"},{"product_id":"hydrolevel-48-202-boiler-low-water-cut-off-well-nut","title":"Hydrolevel 48-202 Boiler Low Water Cut-Off Well Nut","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 48-202 Boiler Low Water Cut-Off Well Nut\u003c\/b\u003e is a critical component for boiler safety and reliable operation.\u003c\/p\u003e\n\u003cp\u003eThis extended Cut-Off Well Nut is designed for use on HydroStat Boiler Low Water Cut-Off units, featuring a 3\/4 inch threaded connection for secure mounting. The extended design helps accommodate deeper fittings and tighter installations common in older boiler setups.\u003c\/p\u003e\n\u003cp\u003eWhether you are performing routine maintenance or upgrading an aging control, the Hydrolevel well nut ensures a secure fit and dependable operation of the low-water cut-off. This part ensures consistent response times and minimizes leaks around the cut-off fixture.\u003c\/p\u003e\n\u003cp\u003eIts extended design provides improved compatibility with extended mounting configurations, helping installers achieve a proper seal in tight spaces. Designed for durability, it resists deformation under boiler pressure and temperature swings.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eCompatible with HydroStat Boiler Low Water Cut-Off systems\u003c\/li\u003e\n\u003cli\u003eType: Cut-Off Well Nut, Extended\u003c\/li\u003e\n\u003cli\u003eConnection: 3\/4 inch threaded\u003c\/li\u003e\n\u003cli\u003eEasy installation and reliable sealing for boiler safety\u003c\/li\u003e\n\u003cli\u003eFactory-compatible replacement part for Hydrolevel controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605345878238,"sku":"112610","price":35.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386993_9b7738a3-8117-459d-a032-d681b6e17521.jpg?v=1765808300"},{"product_id":"hydrolevel-48-201-boiler-low-water-cut-off-well","title":"Hydrolevel 48-201 Boiler Low Water Cut-Off Well","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 48-201 Boiler Low Water Cut-Off Well\u003c\/b\u003e delivers reliable boiler water level protection for safe operation. This standard cut-off well is designed to work with HydroStat Boiler Low Water Cut-Off systems, featuring a 3\/4 inch threaded connection for straightforward installation in residential and commercial boiler applications.\u003c\/p\u003e \u003cp\u003eEngineered for compatibility with HydroStat low-water cut-off assemblies, this well helps prevent dry firing by accurately sensing water level and signaling the control to shut down the boiler. Its standard cut-off design aligns with common boiler piping layouts, ensuring straightforward integration in retrofit projects and new installations. It is compatible with a range of boilers and supports reliable water level monitoring across multiple HVAC settings. \u003c\/p\u003e \u003cp\u003eDesigned for easy retrofit and durable service, it integrates with HydroStat components and supports ongoing boiler safety and efficient operation. Use this cut-off well to sustain reliable water level control and protect your boiler system over time. Trusted for ongoing boiler safety, it complements Hydrolevel and HydroStat components.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Cut-Off Well (Standard)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnection:\u003c\/b\u003e 3\/4 Inch Threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Used On HydroStat Boiler Low Water Cut-Off\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eModel\/Variant:\u003c\/b\u003e Hydrolevel 48-201 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605345976542,"sku":"112609","price":27.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386992_596d16af-378c-43e8-a6d3-10b68da4eed4.jpg?v=1765808296"},{"product_id":"hydrolevel-45-349-boiler-low-water-cut-off-wire-harness","title":"Hydrolevel 45-349 Boiler Low Water Cut-Off Wire Harness","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 45-349 Boiler Low Water Cut-Off Wire Harness\u003c\/b\u003e is a reliable replacement part designed to ensure safe boiler operation and precise low-water sensing. Built to fit critical safety circuits, this wire harness helps prevent boiler damage and unexpected shutdowns by ensuring accurate low-water cutoff signals.\u003c\/p\u003e \u003cp\u003eUsed On Model 1100 to Lochinvar Knight and Solution\/Weil-McLain Ultra boilers as the low water cut-off, this harness delivers dependable electrical connections for nonstop heating performance.\u003c\/p\u003e \u003cp\u003eDesigned for easy installation and long-term reliability, the Hydrolevel 45-349 wire harness integrates seamlessly with existing boiler wiring and safety controls. It is a practical choice for maintenance teams and homeowners seeking a trustworthy replacement part for boiler low-water protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExact compatibility with Model 1100, Lochinvar Knight, and Weil-McLain Ultra Solution boilers\u003c\/li\u003e \u003cli\u003eEnsures reliable low-water cut-off signaling for boiler safety\u003c\/li\u003e \u003cli\u003eDurable wire harness construction built for regular heating seasons\u003c\/li\u003e \u003cli\u003eEasy installation with minimal downtime and tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346238686,"sku":"110631","price":20.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386958_6eab044f-977a-44d9-9979-2d69502235f0.jpg?v=1765821561"},{"product_id":"hydrolevel-250-boiler-low-water-cut-off-pump-controller","title":"Hydrolevel 250 Boiler Low Water Cut-Off\/Pump Controller","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 250 Boiler Low Water Cut-Off\/Pump Controller is a dependable safety device for commercial boilers. By integrating a low water cut-off with a pump controller, this unit protects boiler tubes and reduces the risk of dry firing, while ensuring timely pump operation. Built for demanding industrial environments, it uses durable components and UL-listed standards to deliver reliable protection and long service life.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCombination safety device:\u003c\/b\u003e Low Water Cut-Off and Pump Controller for reliable boiler protection\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical ratings:\u003c\/b\u003e 120V AC input; Primary 10A full load, 60A locked rotor; Pump 20A full load, 120A locked rotor\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSwitch type:\u003c\/b\u003e DPST\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMedia and pressure:\u003c\/b\u003e Handles steam and water at up to 250 PSI\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded components:\u003c\/b\u003e 250C manifold casting with three EL1214 probes and control box\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Commercial\/Industrial; UL-listed\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for steam and water applications, this unit features an 8-1\/2 inch manifold and a rugged DPST switch. It supports the full range of boiler configurations with a 10 A primary\/60 A rotor rating and a 20 A pump rating with 120 A rotor capacity. Included are the 250C manifold casting, three EL1214 probes, and a dedicated control box, ensuring straightforward installation and UL compliance in demanding commercial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346304222,"sku":"4556","price":686.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386968_ff9c5f03-11c6-49d7-bcff-d6032d5ca88e.jpg?v=1765817836"},{"product_id":"hydrolevel-48-3250-60-boiler-low-water-cut-off-temperature-limit-control-sensor","title":"Hydrolevel 48-3250-60 Boiler Low Water Cut-Off\/Temperature Limit Control Sensor","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel 48-3250-60 Boiler Low Water Cut-Off\/Temperature Limit Control Sensor\u003c\/b\u003e is a key safety and control component for boilers. This 12-inch boiler sensor functions as a low-water cut-off and a temperature limit control, protecting equipment from overheating and low-water conditions. Designed for use on boilers and aligned with part no 3150, it provides a reliable replacement for aging components.\u003c\/p\u003e \u003cp\u003eBuilt for durability and easy installation, this boiler sensor simplifies maintenance by combining essential safety features in a single unit. It delivers accurate monitoring, quick shutoff, and consistent performance across different boiler models. Whether upgrading an older system or stocking spare parts, this sensor ensures reliable protection and smooth operation.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCombined safety features:\u003c\/b\u003e low-water cut-off plus temperature limit control to prevent boiler damage and unsafe operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize and compatibility:\u003c\/b\u003e 12-inch sensor designed for standard boiler configurations using part no 3150\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable construction:\u003c\/b\u003e rugged materials and reliable electronics for long service life in demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy replacement:\u003c\/b\u003e straightforward installation with existing boiler controls, reducing downtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile use:\u003c\/b\u003e suitable for a wide range of boiler makes and models needing Hydrolevel components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346336990,"sku":"117664","price":20.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386967_2597c75a-79cf-4ab2-ac21-05f22c3c58b1.jpg?v=1765820287"},{"product_id":"hydrolevel-1150-boiler-low-water-cut-off","title":"Hydrolevel 1150 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 1150 Boiler Low Water Cut-Off is a critical boiler safety device that detects low water conditions and automatically shuts down to protect your system. Designed for residential and commercial boilers, this low water cut-off switch delivers reliable protection for hot water applications. It operates on 120V AC, with a 20 Amp rating, and features a 3\/4 inch threaded port connection along with an SPDT switch for versatile control.\u003c\/p\u003e \u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAutomatic Reset\u003c\/li\u003e \u003cli\u003ePlug-In Wire Harness with Labeled Quick Connect Terminal\u003c\/li\u003e \u003cli\u003eBurner Circuit Test Button\u003c\/li\u003e \u003cli\u003ePower and Low Water LED Indicators\u003c\/li\u003e \u003cli\u003e3\/4\" Threaded Port Connection\u003c\/li\u003e \u003cli\u003eUL Listed Boiler Safety Device\u003c\/li\u003e \u003cli\u003eMedia Handled: Hot Water (up to 250°F, 160 psi)\u003c\/li\u003e \u003cli\u003eDimensions: 4\" L x 4\" W x 3-11\/16\" D\u003c\/li\u003e \u003cli\u003eBurner Contact Rating: 5.8 A full load; 34.8 A locked rotor\u003c\/li\u003e \u003cli\u003eApplication: Residential\/Commercial\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBuilt for reliability, the Hydrolevel 1150 provides essential low-water protection for boiler systems, promoting safer, more efficient operation and easy service with a plug-in harness and labeled terminals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346369758,"sku":"100211","price":118.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386978_c5f236f5-1a41-4869-a506-073af0959bfa.jpg?v=1765815317"},{"product_id":"hydrolevel-1100-boiler-low-water-cut-off","title":"Hydrolevel 1100 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 1100 Boiler Low Water Cut-Off provides essential protection for hot water boilers. This 3\/4 Inch Threaded Port low water cutoff acts as a boiler safety switch to prevent damage from low water conditions.\u003c\/p\u003e \u003cp\u003eDesigned for residential and commercial boiler systems, it features a SPST switch with a 24V AC input and a 5 Amp current rating. Built for durability, it operates up to 250°F (water) and withstands pressures up to 160 PSI. The unit provides a 50 VA switching capacity and UL-listed safety for installations in both the US and Canada.\u003c\/p\u003e \u003cp\u003eKey features include automatic reset for reliable protection after a low-water event, a plug-in wire harness with labeled quick-connect terminals, a burner circuit test button, and clear diagnostics with power and low-water LED indicators.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAutomatic Reset\u003c\/li\u003e \u003cli\u003ePlug-In Wire Harness with Labeled Quick Connect Terminal\u003c\/li\u003e \u003cli\u003eBurner Circuit Test Button\u003c\/li\u003e \u003cli\u003ePower and Low Water LED Indicators\u003c\/li\u003e \u003cli\u003e3\/4 Inch Threaded Port Connection\u003c\/li\u003e \u003cli\u003eSPST Switching with 24V AC control\u003c\/li\u003e \u003cli\u003eUL Listed (Canada and US)\u003c\/li\u003e \u003cli\u003eCurrent Rating: 5 Amp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346402526,"sku":"97140","price":118.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386975_56da1d77-55cd-4b4f-b5e0-cac4563fe196.jpg?v=1765809455"},{"product_id":"hydrolevel-450-boiler-low-water-cut-off","title":"Hydrolevel 450 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 450 Boiler Low Water Cut-Off is a reliable safety device designed to protect boilers from low water conditions. This SPDT switch-type cutoff provides automatic reset and a precise burner delay to ensure safe startups and shutdowns.\u003c\/p\u003e \u003cp\u003eBuilt for residential and commercial boiler systems, it handles steam and water media with UL-listed reliability. Key specs include 120 V AC, 60 Hz input, 4 VA, and a 15 PSI pressure rating. The unit features an automatic reset, a 15-second burner OFF and 30-second burner ON delay, and a low-water indicating light to alert operators at a glance. Its compact footprint (2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H) fits tight boiler rooms, while a robust switching capacity (5.8 A full load, 34.8 A locked rotor) powers modern boiler controls.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSPDT switch type\u003c\/b\u003e for reliable boiler protection\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAutomatic Reset\u003c\/b\u003e with built-in burner delay\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBurner delay\u003c\/b\u003e 15 seconds OFF \/ 30 seconds ON\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLow-water indicating light\u003c\/b\u003e for quick status checks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUL listed\u003c\/b\u003e safety certification\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical \u0026amp; media\u003c\/b\u003e rated for 120V AC, 60 Hz; handles steam and water\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact dimensions\u003c\/b\u003e 2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e suitable for residential and commercial boilers\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePerformance\u003c\/b\u003e 5.8 A full load \/ 34.8 A locked rotor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346894046,"sku":"4559","price":221.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386959_216a04f4-e63c-4fc7-b3f7-171fb9b805aa.jpg?v=1765817843"},{"product_id":"hydrolevel-650-boiler-low-water-cut-off","title":"Hydrolevel 650 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 650 Boiler Low Water Cut-Off\u003c\/b\u003e provides essential boiler protection by monitoring water levels and automatically shutting off the burner when water is low. This SPDT switch unit combines reliable sensing with simple reset and a visible LED indicator for quick status checks.\u003c\/p\u003e \u003cp\u003eBuilt for residential and commercial boilers, it features automatic reset, a burner circuit test button, and a bright LED indicating light to confirm operation. Designed for 120V AC service, it handles up to 160 PSI and is UL and CSA listed for safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAutomatic reset keeps downtime minimal while maintaining boiler protection.\u003c\/li\u003e \u003cli\u003eSPDT switch type for reliable control and simple wiring.\u003c\/li\u003e \u003cli\u003eBurner circuit test button enables quick on-site diagnostics.\u003c\/li\u003e \u003cli\u003eLED indicating light provides immediate status at a glance.\u003c\/li\u003e \u003cli\u003eCompact dimensions: 2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H.\u003c\/li\u003e \u003cli\u003eElectrical specs: 120V AC, 60 Hz, 4 VA; switching capacity 5.8 A (full load), 34.8 A (locked rotor).\u003c\/li\u003e \u003cli\u003ePressure rating up to 160 PSI; media handled: water.\u003c\/li\u003e \u003cli\u003eUL and CSA listed for safety and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605346959582,"sku":"51122","price":215.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386961_4da59ce3-d965-44e4-90da-403e70939b6c.jpg?v=1765809600"},{"product_id":"hydrolevel-750-boiler-low-water-cut-off","title":"Hydrolevel 750 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 750 Boiler Low Water Cut-Off is a critical safety device that protects boilers by reliably detecting low water conditions. This unit features a dependable SPDT switch and is UL and CSA approved, operating on 120V AC, 60 Hz. A LED indicating light confirms status at a glance, and a manual reset allows safe restart after activation. Built for commercial and industrial boiler systems, it combines rugged construction with straightforward installation.\u003c\/p\u003e \u003cp\u003eSpecifications include 2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H, 160 PSI pressure rating, and switching capacity of 5.8 A (full load) and 34.8 A (locked rotor), with media handled: Water. It operates under UL and CSA standards.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSPDT switch\u003c\/b\u003e configuration for reliable control\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUL and CSA approved\u003c\/b\u003e for industry safety\u003c\/li\u003e \u003cli\u003eOperates on \u003cb\u003e120V AC 60 Hz\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLED indicating light\u003c\/b\u003e shows status\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eManual reset\u003c\/b\u003e for quick restart after activation\u003c\/li\u003e \u003cli\u003eIdeal for \u003cb\u003eCommercial\/Industrial\u003c\/b\u003e boiler applications\u003c\/li\u003e \u003cli\u003eMedia handled: \u003cb\u003eWater\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003ePressure rating: \u003cb\u003e160 PSI\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eSwitching capacity: \u003cb\u003e5.8 A (full load)\u003c\/b\u003e \/ \u003cb\u003e34.8 A (locked rotor)\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347254494,"sku":"4561","price":215.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386963_098d60e2-3f3d-46a5-af87-4b2d4c731a0b.jpg?v=1765817847"},{"product_id":"hydrolevel-cg450-1560-boiler-low-water-cut-off","title":"Hydrolevel CG450-1560 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel CG450-1560 Boiler Low Water Cut-Off delivers essential protection for residential and commercial boilers. This Boiler Low Water Cut-Off uses SPDT switching, automatic reset, and UL-listed safety standards to safeguard equipment and occupants.\u003c\/p\u003e \u003cp\u003eEngineered for reliability, it handles both steam and water media with a 120V AC supply (4.2 A). It features a 15 PSI pressure rating, a compact footprint (2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H), and a proven intermittent level test every 15 minutes for 60 seconds to verify operation without interrupting service. The unit supports 5.8 A full-load switching and 34.8 A locked-rotor capacity, making it suitable for diverse boiler setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAutomatic Reset\u003c\/b\u003e for quick, hands-free recovery after a low-water condition\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e15 Second Burner OFF \/ 30 Second Burner ON Delay\u003c\/b\u003e to optimize boiler cycling\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLow Water Indicating Light\u003c\/b\u003e for visual status\u003c\/li\u003e \u003cli\u003eSPDT switching with UL-listed protection\u003c\/li\u003e \u003cli\u003eDesigned for Residential\/Commercial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347287262,"sku":"118151","price":221.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386984_3a7807e3-d6db-4a9b-86d8-d4dcc2a38ec1.jpg?v=1765821288"},{"product_id":"hydrolevel-400-boiler-low-water-cut-off","title":"Hydrolevel 400 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 400 Boiler Low Water Cut-Off provides essential boiler protection for both residential and commercial systems. This SPDT low water cutoff switch ensures safe operation with automatic reset and a 15-second burner OFF \/ 30-second burner ON delay.\u003c\/p\u003e \u003cp\u003eBuilt to withstand steam and water environments, it features compact dimensions (2-3\/8 in. W x 5-1\/2 in. D x 5-9\/16 in. H) and a 24V AC, 60 Hz input with 2 VA. It is UL listed and rated for up to 15 PSI with a 50 VA switching capacity.\u003c\/p\u003e \u003cp\u003eDesigned for reliability, it integrates seamlessly with boiler control circuits and supports steam or water media. This boiler cut-off helps prevent damage from low-water conditions by signaling the burner accordingly.\u003c\/p\u003e \u003cp\u003eKey features include:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eAutomatic Reset\u003c\/li\u003e\n\u003cli\u003e15-Second Burner OFF \/ 30-Second Burner ON Delay\u003c\/li\u003e\n\u003cli\u003eLow Water Indicating Light\u003c\/li\u003e\n\u003cli\u003eSPDT Switching\u003c\/li\u003e\n\u003cli\u003eInput: 24V AC, 60 Hz, 2 VA\u003c\/li\u003e\n\u003cli\u003ePressure Rating: 15 PSI\u003c\/li\u003e\n\u003cli\u003eMedia Handled: Steam and Water\u003c\/li\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003e50 VA Switching Capacity\u003c\/li\u003e\n\u003cli\u003eApplications: Residential\/Commercial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347418334,"sku":"4557","price":221.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386969_94611d63-5637-4345-a6e3-89854a247f78.jpg?v=1765817840"},{"product_id":"hydrolevel-cg400-2090-boiler-low-water-cut-off","title":"Hydrolevel CG400-2090 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Boiler Low Water Cut-Off, Hydrolevel CG400-2090, provides essential protection for residential and commercial boilers. This SPDT switch with automatic reset ensures safe shutoff when water levels drop, and a low-water indicating light alerts operators to the condition.\u003c\/p\u003e \u003cp\u003eDesigned for 24V AC, 60 Hz operation with a 2.1 VA input, it supports steam and water media at pressures up to 15 psi. Its compact footprint measures 2-3\/8 inches wide by 5-1\/2 inches deep and 5-9\/16 inches high, delivering a reliable 50 VA switching capacity with UL standard compliance.\u003c\/p\u003e \u003cp\u003eKey features include built-in safety timing and monitoring to maintain boiler efficiency and protection:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSPDT switching\u003c\/b\u003e with 50 VA capacity\u003c\/li\u003e \u003cli\u003eAutomatic Reset\u003c\/li\u003e \u003cli\u003e15 Second Burner OFF \/ 30 Second Burner ON Delay\u003c\/li\u003e \u003cli\u003eLow Water Indicating Light\u003c\/li\u003e \u003cli\u003eMedia handled: Steam and Water\u003c\/li\u003e \u003cli\u003eUL standard compliance\u003c\/li\u003e \u003cli\u003eIntermittent Level Test Timing: every 20 minutes for 90 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347680478,"sku":"127918","price":221.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386981_1a6e49ed-0586-497f-8446-1295240e2de5.jpg?v=1765808187"},{"product_id":"hydrolevel-1100h3-boiler-low-water-cut-off","title":"Hydrolevel 1100H3 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel 1100H3 Boiler Low Water Cut-Off\u003c\/b\u003e helps protect your boiler by automatically detecting low-water conditions and preventing damage in both residential and commercial systems. This SPST switch-based unit is compact, reliable, and designed for straightforward integration with standard control circuits.\u003c\/p\u003e \u003cp\u003eOperating on 24V AC control circuits with a 5 A current rating and a 50 VA switching capacity, it provides dependable protection for hot water boilers. It features an \u003cb\u003eautomatic reset\u003c\/b\u003e, a \u003cb\u003eburner circuit test button\u003c\/b\u003e, and clear status monitoring through \u003cb\u003ePower\u003c\/b\u003e and \u003cb\u003eLow Water\u003c\/b\u003e LED indicators for quick diagnostics.\u003c\/p\u003e \u003cp\u003eKey specs and compatibility:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMedia handled: Hot water\u003c\/li\u003e \u003cli\u003eTemperature rating: 250°F\u003c\/li\u003e \u003cli\u003ePressure rating: 160 PSI\u003c\/li\u003e \u003cli\u003eAmbient temperature: 170°F\u003c\/li\u003e \u003cli\u003eSwitch type: SPST\u003c\/li\u003e \u003cli\u003eCurrent rating: 5 Amp\u003c\/li\u003e \u003cli\u003eInput supply: 24V AC, 60 Hz\u003c\/li\u003e \u003cli\u003eInclusions: Automatic Reset, Burner Circuit Test Button, Power and Low Water LED Indicators\u003c\/li\u003e \u003cli\u003eStandards: UL (Canada and US)\u003c\/li\u003e \u003cli\u003eExcludes wire harness\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're upgrading an existing boiler or installing a new system, the Hydrolevel 1100H3 delivers reliable low-water protection, helping to prevent costly damage and downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347713246,"sku":"276478","price":113.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386976_478dbf2b-082c-495b-9896-a147d596e7e2.jpg?v=1765814350"},{"product_id":"hydrolevel-550p-boiler-low-water-cut-off","title":"Hydrolevel 550P Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel 550P Boiler Low Water Cut-Off is a trusted boiler safety device for residential and commercial systems. This low water cutoff uses a heavy-duty probe and SPDT switch to protect your boiler when water levels drop, preventing damage and downtime. With a 3\/4 inch threaded port, it's designed for easy retrofit and secure mounting. The unit handles water media and is rated for up to 250°F and 160 psi, making it suitable for many boiler configurations. It ships with a manual reset, the EL1214-P probe, and a longer nut, and it complies with UL and CSA standards for safety.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHeavy-duty probe-based design with SPDT switching for reliable boiler level control\u003c\/li\u003e \u003cli\u003e3\/4\" threaded port connection for straightforward installation and secure mounting\u003c\/li\u003e \u003cli\u003e120 VAC, 60 Hz input; 16 A relay; switching capacity 5.8 A full load, 34.8 A locked rotor\u003c\/li\u003e \u003cli\u003eTemperature rating up to 250°F and pressure rating up to 160 psi for water service\u003c\/li\u003e \u003cli\u003eIncludes EL1214-P probe, longer nut, and manual reset for easy maintenance and safety\u003c\/li\u003e \u003cli\u003eUL and CSA certified, suitable for residential and commercial boiler applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347746014,"sku":"6182","price":231.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386971_8027f1cc-306d-4357-8289-283038dc1f72.jpg?v=1765821429"},{"product_id":"hydrolevel-550sv-boiler-low-water-cut-off","title":"Hydrolevel 550SV Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 550SV Boiler Low Water Cut-Off delivers reliable protection for residential and commercial boilers. This heavy-duty boiler low-water cutoff features a rugged 3\/4 inch threaded port, a SPDT switch, and a manual reset to ensure dependable operation even in demanding boiler setups.\u003c\/p\u003e \u003cp\u003eEngineered for safety and longevity, it handles water up to 250°F and systems up to 160 psi. The unit includes a shorter EL1214-SV probe and carries UL and CSA listings for added compliance. With a 16 A relay rating and switching capacity of 5.8 A at full load (34.8 A locked rotor), it delivers solid performance for everyday use.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eHeavy-duty boiler low-water cutoff\u003c\/b\u003e with SPDT switch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e3\/4\" threaded port\u003c\/b\u003e connection for easy installation\u003c\/li\u003e \u003cli\u003eIncludes \u003cb\u003eEL1214-SV probe\u003c\/b\u003e and \u003cb\u003emanual reset\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eUL and \u003cb\u003eCSA listed\u003c\/b\u003e for safety and compliance\u003c\/li\u003e \u003cli\u003eRelay rated at \u003cb\u003e16 A\u003c\/b\u003e; input \u003cb\u003e120 V AC, 60 Hz\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eSwitching capacity: \u003cb\u003e5.8 A full load\u003c\/b\u003e \/ \u003cb\u003e34.8 A locked rotor\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eWater handling up to \u003cb\u003e250°F\u003c\/b\u003e and pressure up to \u003cb\u003e160 psi\u003c\/b\u003e\n\u003c\/li\u003e \u003cli\u003eIdeal for \u003cb\u003eresidential and commercial\u003c\/b\u003e boiler systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProtect your boiler investment with the trusted protection of the Hydrolevel 550SV, engineered for reliability and long-term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347778782,"sku":"56697","price":225.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386972_17200179-d713-46b7-b0ae-55d50814b73f.jpg?v=1765822456"},{"product_id":"hydrolevel-oem-170sv-boiler-low-water-cut-off","title":"Hydrolevel OEM-170SV Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel OEM-170SV Boiler Low Water Cut-Off\u003c\/b\u003e delivers reliable protection for residential and commercial boilers. This heavy-duty low water cutoff uses a 3\/4 inch threaded port and a dependable SPDT switch to safeguard boiler operation and trigger alarms when water falls too low.\u003c\/p\u003e\n\u003cp\u003eSpecifically designed for rugged performance, it withstands up to 160 PSI and runs on 120V AC, 60 Hz with a 7 VA input. The unit handles water as the media and is built to UL and CSA standards for safe, compliant installation.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAutomatic Reset for quick return to service\u003c\/li\u003e \u003cli\u003eRugged construction built for long life in demanding boiler rooms\u003c\/li\u003e \u003cli\u003eAlarm Contact for clear audible\/visual notification\u003c\/li\u003e \u003cli\u003eShorter EL1214-SV probe reduces installation footprint\u003c\/li\u003e \u003cli\u003e3\/4 in NPT threaded port for easy piping connections\u003c\/li\u003e \u003cli\u003eSPDT switching with 5.8 A full-load and 34.8 A locked rotor ratings\u003c\/li\u003e \u003cli\u003eSuitable for residential and commercial boiler systems\u003c\/li\u003e \u003cli\u003eMedia: water; Pressure rating up to 160 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347844318,"sku":"4564","price":127.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386996_eba0541a-d2ca-459d-a440-5a5d2cac87e3.jpg?v=1765817852"},{"product_id":"hydrolevel-oem-24sv-boiler-low-water-cut-off","title":"Hydrolevel OEM-24SV Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel OEM-24SV Boiler Low Water Cut-Off is a heavy-duty low water cutoff designed for reliable boiler protection in residential and commercial installations. This model features a rugged probe, a SPDT switch, and a 3\/4 inch threaded port, delivering precise, automatic water-level control for safer boiler operation. The unit operates on \u003cb\u003e24V AC\u003c\/b\u003e with \u003cb\u003e60 Hz\u003c\/b\u003e input and is suited for \u003cb\u003ewater media\u003c\/b\u003e handling.\u003c\/p\u003e \u003cp\u003eBuilt to UL and CSA safety standards, it offers automatic reset and an alarm contact to alert you to low-water conditions. Its compact footprint (5-9\/16 in W x 5-1\/2 in D x 5-9\/16 in H) and shorter EL1214-SV probe simplify installation in tight boiler rooms. With a \u003cb\u003e160 PSI\u003c\/b\u003e pressure rating and a \u003cb\u003e50 VA\u003c\/b\u003e switching capacity, this cut-off provides robust performance in demanding boiler apps.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAutomatic Reset\u003c\/b\u003e for quick recovery after fault\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRugged Construction\u003c\/b\u003e designed for long service life\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAlarm Contact\u003c\/b\u003e enables easy monitoring integration\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShorter EL1214-SV Probe\u003c\/b\u003e simplifies installation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e3\/4\" Threaded Port\u003c\/b\u003e offers flexible mounting options\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSPDT Switching\u003c\/b\u003e with 50 VA capacity for reliable control\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUL\/CSA Listed\u003c\/b\u003e for safety compliance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for residential and commercial boiler systems requiring dependable low-water protection and easy installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605347909854,"sku":"4565","price":127.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386995_813b9a88-3c05-4535-a5fb-9ad9a7ca3e6f.jpg?v=1765817854"},{"product_id":"hydrolevel-550-boiler-low-water-cut-off","title":"Hydrolevel 550 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 550 Boiler Low Water Cut-Off\u003c\/b\u003e is a heavy-duty safety device for commercial boilers. The SPDT switch provides reliable protection by sensing water level and triggering a safe shutdown to prevent damage during low-water conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHeavy-duty low-water protection for commercial boilers, preventing outages and damage from low-water conditions.\u003c\/li\u003e \u003cli\u003eSPDT switch with 16 A relay for reliable operation and precise control.\u003c\/li\u003e \u003cli\u003eInput supply: 120 VAC, 60 Hz; robust enough for standard commercial boiler installations.\u003c\/li\u003e \u003cli\u003eTemperature rating 250°F (water) and pressure rating 160 psi ensure dependable boiler-water service.\u003c\/li\u003e \u003cli\u003eMedia handled: Water; designed specifically for boiler water applications.\u003c\/li\u003e \u003cli\u003eDimensions: 2-3\/8\"W x 5-1\/2\"D x 5-9\/16\"H, providing a compact footprint for retrofit or new installs.\u003c\/li\u003e \u003cli\u003eSwitching capacity: 5.8 A full load, 34.8 A locked rotor, suitable for a range of boiler circuits.\u003c\/li\u003e \u003cli\u003eInclusions: Manual Reset, Burner Circuit Test Button, and LED Indicating Light for easy status checks.\u003c\/li\u003e \u003cli\u003eCompliance: ASME CSD-1, UL, CSA listed for safety and industry standards.\u003c\/li\u003e \u003cli\u003eApplication: Commercial boiler protection; a trusted component in HVAC and boiler room systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Hydrolevel 550 to help minimize downtime and extend boiler life with dependable, code-compliant protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348171998,"sku":"4560","price":225.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386970_6a25fa29-fe2e-4a71-a716-0fa62a24e01a.jpg?v=1765817845"},{"product_id":"hydrolevel-500-boiler-low-water-cut-off","title":"Hydrolevel 500 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel 500 Boiler Low Water Cut-Off\u003c\/b\u003e delivers reliable boiler protection for commercial systems. The Hydrolevel 500 combines heavy-duty construction with precise control to prevent dry-firing in large boilers.\u003c\/p\u003e \u003cp\u003eDesigned for heavy-duty service, this low water cut-off uses a \u003cb\u003eSPDT switch\u003c\/b\u003e, \u003cb\u003e24V AC\u003c\/b\u003e input, and a \u003cb\u003e16 Amp relay\u003c\/b\u003e. It supports water-based media up to 250°F and 160 psi, meeting \u003cb\u003eASME CSD-1\u003c\/b\u003e, \u003cb\u003eUL\u003c\/b\u003e, and \u003cb\u003eCSA\u003c\/b\u003e standards for safe commercial operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOverall dimensions: 2-3\/8\" W x 5-1\/2\" D x 5-9\/16\" H\u003c\/li\u003e \u003cli\u003eSwitching: SPDT, 24V AC input, 16 A relay\u003c\/li\u003e \u003cli\u003eManual reset and burner circuit test button for safe startup\u003c\/li\u003e \u003cli\u003eLED indicating light provides at-a-glance status\u003c\/li\u003e \u003cli\u003eASME CSD-1, UL, CSA compliant for commercial boiler safety\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for commercial boiler rooms, the Hydrolevel 500 reduces risk of boiler damage by automatically cutting off water when levels drop, ensuring efficient heat generation and preventing costly downtime. Built to endure demanding environments, it handles water as the media and is rated for up to 250°F and 160 psi. With reliable test and status features, maintenance is straightforward and downtime is minimized.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348204766,"sku":"50824","price":225.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386960_cec9894e-8937-4429-8fc6-4d976d6cb217.jpg?v=1765809019"},{"product_id":"hydrolevel-170-boiler-low-water-cut-off","title":"Hydrolevel 170 Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel 170 Boiler Low Water Cut-Off offers dependable boiler protection for residential and commercial systems. This heavy-duty low-water cutoff uses an SPDT switch to reliably monitor water levels and trigger alarms as needed.\u003c\/p\u003e \u003cp\u003eKey specifications include 120V AC, 60 Hz input with 7 VA, a 160 PSI pressure rating, and water as the handled media. Its compact body fits 2-3\/8\" wide by 5-1\/2\" deep by 5-9\/16\" high, making installation straightforward in tight boiler rooms. Design features include automatic reset, rugged construction, and an alarm contact for prompt fault indication. UL and CSA listings ensure compliance with safety standards.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAutomatic Reset\u003c\/b\u003e for quick safe restart after a fault\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRugged Construction\u003c\/b\u003e built to endure demanding boiler-room environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAlarm Contact\u003c\/b\u003e provides immediate notification of low-water conditions\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSPDT Switching\u003c\/b\u003e offers versatile control options\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUL\/CSA Listed\u003c\/b\u003e safety compliance for residential and commercial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348303070,"sku":"78237","price":127.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386957_b5edc366-b767-49af-bd2e-4a639364ca4b.jpg?v=1765819579"},{"product_id":"hydrolevel-650p-boiler-low-water-cut-off","title":"Hydrolevel 650P Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover the Hydrolevel 650P Boiler Low Water Cut-Off, a reliable safety device that protects boilers from damage by detecting low water levels and automatically stopping operation. This probe-type low water cutoff uses a 3\/4 inch threaded port and an SPDT switch to deliver precise, fail-safe shutoff for residential and commercial heating systems.\u003c\/p\u003e \u003cp\u003eDesigned for long-term reliability, the unit is UL and CSA listed and suitable for water media. It operates on 120 Volt AC, 60 Hertz with a power draw of 4 Volt Amp, and is rated for up to 160 PSI. Its compact footprint measures 5-9\/16 inches wide by 5-1\/2 inches deep by 5-9\/16 inches tall, and it supports a switching capacity of 5.8 Amps full load and 34.8 Amps locked rotor. Inclusions include the EL1214-P probe, automatic reset, and a longer nut for straightforward installation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cb\u003eAutomatic Reset\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e\u003cb\u003eEL1214-P Probe\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e\u003cb\u003e3\/4 Inch Threaded Port\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e\u003cb\u003eSPDT Switching\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e\u003cb\u003eUL\/CSA Listed\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Hydrolevel 650P for dependable boiler protection, easy installation, and compliant performance in both home and light commercial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348335838,"sku":"51200","price":221.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386973_eb3f8805-c1e0-47c3-957d-e8305a5a567d.jpg?v=1765809864"},{"product_id":"hydrolevel-750sv-boiler-low-water-cut-off","title":"Hydrolevel 750SV Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eThe Hydrolevel 750SV Boiler Low Water Cut-Off\u003c\/b\u003e provides reliable protection for commercial and industrial boilers. This probe-type low-water cutoff uses a 3\/4 inch threaded port and an SPDT switch to accurately detect low-water conditions and initiate a safe boiler shutdown.\u003c\/p\u003e \u003cp\u003eDesigned for water media, it operates on 120V AC at 60 Hz and supports up to 250 PSI. The unit includes a manual reset for deliberate re-engagement and ships with a shorter EL1214-SV probe for streamlined installation. Built to UL and CSA standards, it delivers dependable performance in demanding environments while handling substantial switching loads.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eProbe-type low-water cutoff with SPDT switch\u003c\/li\u003e \u003cli\u003e3\/4\" threaded port for easy mounting\u003c\/li\u003e \u003cli\u003eManual reset for safety and controlled restart\u003c\/li\u003e \u003cli\u003eIncludes shorter EL1214-SV probe\u003c\/li\u003e \u003cli\u003e120V AC, 60 Hz; 250 PSI pressure rating; water media\u003c\/li\u003e \u003cli\u003eUL and CSA listed for commercial\/industrial use\u003c\/li\u003e \u003cli\u003eSwitching capacity: 5.8 A full load, 34.8 A locked rotor\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eExcludes the test button, making it a streamlined option for boiler protection and uptime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348401374,"sku":"33555","price":215.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386974_b7f72839-1715-43c5-9be4-86f3fd73d677.jpg?v=1765822302"},{"product_id":"hydrolevel-vxt-120-boiler-water-feeder","title":"Hydrolevel VXT-120 Boiler Water Feeder","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel VXT-120 Boiler Water Feeder delivers precise water makeup for residential boilers. Designed for reliable boiler feeder performance, it supports universal compatibility and straightforward installation to ensure steady heating at all times.\u003c\/p\u003e \u003cp\u003eKey specs include a 1\/2 inch soldered port, a 1 GPM flow rate, and operation from 120V AC, 60 Hz with 15 VA input. It handles water and steam up to 150°F and is UL-listed for safe residential use.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUniversal compatibility with most residential boilers\u003c\/li\u003e \u003cli\u003eDigital feed counter for precise water makeup\u003c\/li\u003e \u003cli\u003eCall-For-Feed indicator to alert when attention is needed\u003c\/li\u003e \u003cli\u003eManual feed button for controlled top-off\u003c\/li\u003e \u003cli\u003eUnderfeed protection to prevent inadequate feeding\u003c\/li\u003e \u003cli\u003eLock-out flood protection to prevent overflow\u003c\/li\u003e \u003cli\u003e1\/2 in soldered port for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for home heating systems where reliability and safety are priorities.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348434142,"sku":"4566","price":310.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386999_cf2fef73-4085-4eb8-9e6f-50be14b6318b.jpg?v=1765817861"},{"product_id":"hydrolevel-vxt-24-boiler-water-feeder","title":"Hydrolevel VXT-24 Boiler Water Feeder","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel VXT-24 Boiler Water Feeder delivers precise water fill for residential boilers, ensuring safe and efficient operation. Designed for universal compatibility and reliable performance, this unit pairs automatic and manual control for effortless boiler maintenance.\u003c\/p\u003e \u003cp\u003eKey specs include a 1\/2 inch soldered port, a flow rate of 1 GPM, and an input supply of 24V AC, 60 Hz, 10 VA. It handles steam and water media, with a temperature rating up to 150°F. UL listed and built for ambient temperatures up to 100°F, the VXT-24 is a dependable choice for modern home heating systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eUniversal compatibility\u003c\/b\u003e with a wide range of residential boilers\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDigital feed counter\u003c\/b\u003e and \u003cb\u003emanual feed button\u003c\/b\u003e for precise control\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUnderfeed protection\u003c\/b\u003e to safeguard boiler operation\u003c\/li\u003e \u003cli\u003ePort: \u003cb\u003e1\/2 inch soldered\u003c\/b\u003e connection\u003c\/li\u003e \u003cli\u003eFlow: \u003cb\u003e1 GPM\u003c\/b\u003e for steady water delivery\u003c\/li\u003e \u003cli\u003eInput: \u003cb\u003e24V AC, 60 Hz, 10 VA\u003c\/b\u003e, compatible with standard HVAC circuits\u003c\/li\u003e \u003cli\u003eMedia handled: \u003cb\u003esteam\u003c\/b\u003e and \u003cb\u003ewater\u003c\/b\u003e for versatile use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348499678,"sku":"4567","price":310.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386998_1d4fd611-9e63-4560-aaa9-27053a2637c3.jpg?v=1765817863"},{"product_id":"hydrolevel-3200-plus-gas-fired-boiler-low-water-cut-off","title":"Hydrolevel 3200-PLUS Gas Fired Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel 3200-PLUS Gas Fired Boiler Low Water Cut-Off\u003c\/b\u003e delivers reliable protection for your residential boiler system. This 3-function low-water cutoff provides essential gas boiler safety by monitoring water levels and triggering automatic limits to prevent damage and loss of efficiency.\u003c\/p\u003e \u003cp\u003eDesigned for compact installations, it measures 4.6 in W x 3.7 in D x 6.3 in H and runs on 120V AC at 60 Hz. The unit outputs 24V AC for burner and circulator controls, with a burner contact rating of 30 V-A at 120V AC and circulator ratings of 5.8 A full load (34.8 A locked rotor) at 120V AC. Media handled is water, and the device offers a broad temperature range with automatic differential: low limit 110–200°F and high limit 100–220°F.\u003c\/p\u003e \u003cp\u003eKey protections and features include UL standard compliance, universal temperature limit, fuel-saving boiler reset, and a convenient test\/settings button for quick checks and adjustments. This unit is ideal for residential applications requiring reliable boiler safety and efficient control.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUL-standard safety certified for residential boilers\u003c\/li\u003e \u003cli\u003eUniversal Temperature Limit and automatic differential\u003c\/li\u003e \u003cli\u003eFuel Saving Boiler Reset function\u003c\/li\u003e \u003cli\u003eTest\/Settings Button for easy calibration\u003c\/li\u003e \u003cli\u003eCompact footprint: 4.6\" W x 3.7\" D x 6.3\" H\u003c\/li\u003e \u003cli\u003eInput: 120V AC; Output: 24V AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348860126,"sku":"292698","price":227.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386979_e310238b-8340-4df3-98a6-8dbcd732a8a1.jpg?v=1765816576"},{"product_id":"hydrolevel-fs200-liquid-flow-switch","title":"Hydrolevel FS200 Liquid Flow Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel FS200 Liquid Flow Switch is a dependable paddle-type flow switch for 1 inch lines. It features SPDT contacts and a rugged NEMA 1 enclosure for reliable flow sensing in HVAC, boiler, and pumping systems.\u003c\/p\u003e \u003cp\u003eBuilt for demanding service, this device uses four heavy-duty stainless steel paddles and a resilient control chassis to withstand tough environments. It handles motor duty on 120 VAC or 240 VAC with a 125 VA input rating, and it offers a wide activation\/deactivation range for precise control. With a 160 psi pressure rating and a temperature range of 32 to 250°F, the FS200 delivers consistent performance across varied liquids.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType \/ Size:\u003c\/b\u003e Paddle, 1\" nominal\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnections \/ Mounting:\u003c\/b\u003e Male threaded end; vertical mount\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eContacts \/ Enclosure:\u003c\/b\u003e SPDT; NEMA 1 enclosure (formed sheet metal)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eElectrical:\u003c\/b\u003e 7.4 A full-load \/ 44.4 A LRA at 120 V; 125 VA @ 120\/240 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlow Range:\u003c\/b\u003e Activates 4.5–14.8 GPM; Deactivates 2.2–13.8 GPM\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRatings:\u003c\/b\u003e 160 psi; 32–250°F\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterials:\u003c\/b\u003e 4 stainless-steel paddles; 13 ga galvanized steel chassis; 16 ga powder-coated steel cover\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards \/ Size:\u003c\/b\u003e UL listed (Canada\/US); 3.8\" W x 6.02\" H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348892894,"sku":"278283","price":125.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386994_a663733d-672a-4b35-a8f0-f9cf862d56d1.jpg?v=1765818708"},{"product_id":"hydrolevel-3150-oil-fired-boiler-low-water-cut-off","title":"Hydrolevel 3150 Oil Fired Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel 3150 Oil Fired Boiler Low Water Cut-Off is a crucial safety component for residential heating systems, ensuring reliable protection in oil-fired boilers. This 2-function low water cutoff detects low water conditions and safely shuts down when necessary. Features such as a universal temperature limit, a simple dial-type setting for temperature and differential, and a dynamic temperature display provide clear, hands-on control and quick status checks.\u003c\/p\u003e \u003cp\u003eDesigned for standard 120V AC input, it operates within a low limit of 110–200°F, a high limit of 100–220°F, and a differential of 10–30°F. The unit handles water as the media and is UL-listed for residential use, delivering robust protection with burner contact ratings of 7.4A full load and 44.4A locked rotor, plus switching capacities of 5.8A full load and 34.8A locked rotor at 120V AC. Compact dimensions (4.6W x 3.7D x 6.3H) fit tight boiler rooms and simplify installation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUniversal Temperature Limit for precise protection\u003c\/li\u003e \u003cli\u003eSimple Dial Type Temperature and Differential Setting\u003c\/li\u003e \u003cli\u003eDynamic Temperature Display for at-a-glance monitoring\u003c\/li\u003e \u003cli\u003eLED Status Light indicates operational state\u003c\/li\u003e \u003cli\u003eTest\/Settings Button for quick diagnostics\u003c\/li\u003e \u003cli\u003eResidential use with UL listing for safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348925662,"sku":"112608","price":202.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386966_8b3a054f-ff15-4226-a3c1-1b646dd7619e.jpg?v=1765808291"},{"product_id":"hydrolevel-3250-plus-oil-fired-boiler-low-water-cut-off","title":"Hydrolevel 3250-PLUS Oil Fired Boiler Low Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 3250-PLUS Oil Fired Boiler Low Water Cut-Off\u003c\/b\u003e provides essential boiler protection for residential systems. The 3-function control module integrates universal temperature limit, fuel-saving boiler reset, and a testing\/settings button to simplify maintenance and ensure safe operation.\u003c\/p\u003e \u003cp\u003eDesigned for oil-fired boilers, this unit measures 4.6 in wide x 3.7 in deep x 6.3 in high, with a 120 V AC, 60 Hz input supply. It supports adjustable temperatures: low limit 110–200°F and high limit 100–220°F with automatic differential for reliable protection and efficient operation. This low water cutoff is UL-listed for residential use, delivering dependable safety and compatibility with standard boiler controls.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eThree-function operation:\u003c\/b\u003e low water cutoff, limit control, and boiler safety features in one unit.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUniversal temperature limit\u003c\/b\u003e for flexible setpoints across residential boilers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFuel-saving boiler reset\u003c\/b\u003e to optimize heating cycles and energy use.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTest\/Settings Button\u003c\/b\u003e for quick setup and routine checks.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRobust electrical ratings:\u003c\/b\u003e Burner Contact Rating 7.4 A full load \/ 44.4 A locked rotor at 120V AC; Circulator 5.8 A full load \/ 34.8 A locked rotor.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompact dimensions\u003c\/b\u003e fit tight cabinet spaces and standard boiler rooms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605348991198,"sku":"187242","price":205.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386980_8d679883-e665-481b-93ea-00184c52aba2.jpg?v=1765821174"},{"product_id":"hydrolevel-el1150-water-cut-off-controller-probe","title":"Hydrolevel EL1150 Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel EL1150 Water Cut-Off Controller Probe is a precise 3\/4\" NPT probe designed for the EL1150 series water cut-off controllers. This replacement probe fits 1150 Series models such as 45-210, delivering reliable shut-off sensing to protect your boiler and piping system. Built for straightforward installation, it provides consistent performance in residential or light commercial applications. The probe's robust construction minimizes wear, ensuring accurate readings and dependable operation over time.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e3\/4\" NPT connection for secure, leak-resistant mounting in EL1150 systems\u003c\/li\u003e\n\u003cli\u003eFully compatible with Hydrolevel EL1150 water cut-off controllers (1150 series), ensuring reliable integration\u003c\/li\u003e\n\u003cli\u003eReplacement probe designed for 45-210 models, simplifying upgrades and maintenance\u003c\/li\u003e\n\u003cli\u003eRugged, durable construction minimizes wear and preserves accurate sensing over time\u003c\/li\u003e\n\u003cli\u003eEasy, tool-free installation with plug-and-play replacement for fast service\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for service replacements and OEM upgrades, it ensures compatibility with existing EL1150 wiring and accessories, while maintaining accurate, repeatable shut-off performance under varying boiler temperatures and water pressures.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349023966,"sku":"235393","price":29.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386986_50e43104-a510-4359-868b-c67d22491e42.jpg?v=1765825207"},{"product_id":"hydrolevel-el1220-sv-water-cut-off-controller-probe","title":"Hydrolevel EL1220-SV Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel EL1220-SV Water Cut-Off Controller Probe is a precision ceramic probe designed for reliable low water cut-off protection in boiler systems. This short-type, 1\/2 inch threaded probe combines compact size with rugged durability to fit tight spaces while maintaining accurate sensing. Engineered for precision and longevity, it minimizes false readings and ensures the boiler cut-off activates when needed. The unit features an inner dimension of 2-1\/16 inches and a 1000 PSI pressure rating, enabling dependable performance even in demanding industrial environments.\u003c\/p\u003e \u003cp\u003eDesigned for use on low water cut-off controllers, the EL1220-SV serves as a dependable replacement part for maintaining safe boiler operation. Its ceramic construction offers excellent resistance to corrosion and wear, helping extend service life in challenging environments. This probe is ideal for upgrading aging systems or integrating into new installations where space is at a premium and reliability is critical.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eConnection\u003c\/b\u003e: 1\/2\" threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Ceramic\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Short-type\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInner dimension\u003c\/b\u003e: 2-1\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePressure rating\u003c\/b\u003e: 1000 PSI\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDesigned for\u003c\/b\u003e: Low water cut-off controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349056734,"sku":"13704","price":57.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386991_fc752b9c-3206-4de8-b08b-b5ebcba26bee.jpg?v=1765812179"},{"product_id":"hydrolevel-el1214-sv-water-cut-off-controller-probe","title":"Hydrolevel EL1214-SV Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel EL1214-SV Water Cut-Off Controller Probe is a precision ceramic probe designed for dependable low water cut-off protection in boiler systems. This short-type design with a 3\/4 inch threaded connection ensures quick, secure installation. Its ceramic construction resists wear and ensures long service life.\u003c\/p\u003e \u003cp\u003eEngineered for robust performance, the EL1214-SV fits Hydrolevel low water cut-off units and is compatible with models 270SV, 727, and 787. With a 2-1\/16 inch inner dimension and a designated size of 3\/4 inch threaded, it offers a compact footprint and easy retrofit. Its 1000 PSI pressure rating supports reliable operation in demanding boiler systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaterial: Ceramic for durable, stable sensing\u003c\/li\u003e \u003cli\u003eThread size: 3\/4 inch (designated size) for easy mounting\u003c\/li\u003e \u003cli\u003eApplication: Ideal for low water cut-off systems\u003c\/li\u003e \u003cli\u003eCompatibility: Fits Hydrolevel units 270SV, 727, 787\u003c\/li\u003e \u003cli\u003eDimensions \u0026amp; Rating: Inner dimension 2-1\/16 inch; Pressure rating 1000 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349417182,"sku":"5984","price":57.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386989_4c424d54-76a6-46b2-803c-36d847e2e3c8.jpg?v=1765821011"},{"product_id":"hydrolevel-el1220-water-cut-off-controller-probe","title":"Hydrolevel EL1220 Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel EL1220 Water Cut-Off Controller Probe\u003c\/b\u003e is a trusted replacement part engineered for reliable boiler protection. This ceramic probe is designed for use with low water cut-off systems, delivering precise sensing and long-lasting performance in demanding heating environments.\u003c\/p\u003e \u003cp\u003eFeaturing a standard, easy-install design, it comes with a 1\/2 inch threaded connection, a compact inner dimension of 5\/16 inch, and a rugged 1000 PSI pressure rating. Built to pair with Hydrolevel low-water cut-off assemblies, this probe ensures accurate level monitoring and quick response to prevent boiler damage.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCeramic probe construction for durability and stability\u003c\/li\u003e \u003cli\u003eStandard type probe suitable for Low Water Cut-Off systems\u003c\/li\u003e \u003cli\u003e1\/2\" threaded connection for simple installation\u003c\/li\u003e \u003cli\u003eInner dimension: 5\/16\" to fit compatible housings\u003c\/li\u003e \u003cli\u003ePressure rating up to 1000 PSI for demanding boiler service\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for ease of replacement, this probe integrates seamlessly into existing Hydrolevel installations, reducing downtime and simplifying maintenance routines for technicians and homeowners alike.\u003c\/p\u003e \u003cp\u003eIdeal as a replacement part or upgrade, the EL1220 ensures dependable operation and peace of mind across residential and commercial boiler applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349482718,"sku":"13703","price":57.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386990_f28d0226-2741-4a5e-b52c-3c31295cdc98.jpg?v=1765812174"},{"product_id":"hydrolevel-el1214-water-cut-off-controller-probe","title":"Hydrolevel EL1214 Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eThe Hydrolevel EL1214 Water Cut-Off Controller Probe is a precision sensing component designed for boiler safety systems. This ceramic probe provides durable performance for low water cut-off applications, featuring a standard design with a 3\/4 inch threaded connection for easy installation. It integrates smoothly with existing controls to minimize downtime during service.\u003c\/p\u003e \u003cp\u003eBuilt to withstand demanding boiler environments, the EL1214 ensures accurate monitoring and quick response to rising or falling water levels. The compact inner dimension of 2-7\/8 inches fits a range of housings, while its 1000 PSI pressure rating supports demanding pressure conditions. The ceramic construction resists corrosion and maintains stable readings across temperature changes, helping technicians diagnose issues faster.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eThreaded size:\u003c\/b\u003e 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Ceramic\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsed on:\u003c\/b\u003e Low Water Cut-Off systems\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatible models:\u003c\/b\u003e 250, 250WC, 711CF\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInner dimension:\u003c\/b\u003e 2-7\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePressure rating:\u003c\/b\u003e 1000 PSI\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for replacement parts inventories and professional boiler maintenance, this probe ensures reliable protection against low-water conditions and helps maintain equipment longevity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349548254,"sku":"5822","price":57.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386987_f490e7c4-d6b7-456d-b723-ace06b5442f2.jpg?v=1765820662"},{"product_id":"hydrolevel-el1214-p-water-cut-off-controller-probe","title":"Hydrolevel EL1214-P Water Cut-Off Controller Probe","description":"\u003cdiv\u003e\n\u003cp\u003eHydrolevel EL1214-P Water Cut-Off Controller Probe is a rugged ceramic probe engineered for standard Low Water Cut-Off systems. Featuring a 3\/4 inch threaded connection and a durable ceramic body, this probe delivers dependable performance in boiler safety applications. It is designed for use with Low Water Cut-Off controllers on models 650P and 550P, making it a trusted replacement part for maintaining reliable water level control. The unit provides an inner dimension of 2-7\/8 inches and ships with a 1-11\/16 inch nut for secure installation. With a pressure rating up to 1000 PSI, it stands up to demanding boiler environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003e3\/4\" threaded connection\u003c\/b\u003e ensures quick, secure installation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCeramic probe construction\u003c\/b\u003e for long life and reliable sensing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e with Low Water Cut-Off controllers on 650P and 550P models\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAccurate fit\u003c\/b\u003e with inner dimension of 2-7\/8\" and included 1-11\/16\" nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHigh-pressure rating\u003c\/b\u003e up to 1000 PSI for demanding boiler environments\u003c\/li\u003e \u003cli\u003eCorrosion-resistant ceramic body for extended service life\u003c\/li\u003e \u003cli\u003eDesigned for straightforward installation in existing boiler setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349646558,"sku":"4563","price":73.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386988_43aab0ae-4e97-47ae-9130-8af89231cd5d.jpg?v=1765817849"},{"product_id":"hydrolevel-1100m","title":"Hydrolevel 1100M Low-Water Cut-Off","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHydrolevel 1100M\u003c\/b\u003e is a 4V low-water cut-off designed for commercial boilers. This unit features a manual reset, a test button, and a plug-in wire harness for easy installation (model 45-1100M).\u003c\/p\u003e \u003cp\u003eDesigned for safety and reliability, the 4V low-water cut-off monitors boiler water levels to prevent dry firing and costly downtime. The manual reset ensures a deliberate reactivation after a trip, while the built-in test button lets maintenance staff verify operation quickly without specialized tools. The plug-in wire harness simplifies wiring and reduces field wiring errors, enabling fast commissioning in busy boiler rooms. Engineered for compatibility with a range of commercial boiler systems, the Hydrolevel 1100M delivers consistent performance and long service life in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e4V low-water cut-off with manual reset for enhanced boiler safety\u003c\/li\u003e \u003cli\u003eEasy verification via dedicated test button\u003c\/li\u003e \u003cli\u003ePlug-in wire harness for quick, reliable electrical connections\u003c\/li\u003e \u003cli\u003eDesigned for commercial boilers and larger heating systems\u003c\/li\u003e \u003cli\u003eModel 45-1100M compatibility for straightforward replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349843166,"sku":"331311","price":145.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386977_4c745ba3-8205-4fa2-9354-a46bf13821b1.jpg?v=1765817105"},{"product_id":"hydrolevel-650sv","title":"Hydrolevel 650SV Low Water Cut Off","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eHydrolevel 650SV\u003c\/b\u003e is a 120V low water cut off designed for water boilers and hydronic heating systems. It protects boilers from damage by monitoring water level and features an automatic reset and a built-in test button with a status light for quick safety checks. This dependable unit pairs with standard controls like 45-651 to deliver reliable protection in residential or light commercial settings. Ideal for homes upgrading their heating safety, the 650SV is designed for straightforward installation with typical piping and wiring, with dependable performance year after year.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e120V electrical supply for straightforward installation\u003c\/li\u003e \u003cli\u003eAccurate low water cutoff to prevent boiler dry-firing\u003c\/li\u003e \u003cli\u003eAuto reset after fault clears, minimizing manual intervention\u003c\/li\u003e \u003cli\u003eBuilt-in test button and indicator light for quick status checks\u003c\/li\u003e \u003cli\u003eCompatible with common boiler controls such as 45-651\u003c\/li\u003e \u003cli\u003eDurable, compact housing designed for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605349875934,"sku":"36172","price":215.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00386962_aedc34db-1291-402e-aa52-36a2f9a81d43.jpg?v=1765810668"}],"url":"https:\/\/newenglandsupplyhouse.com\/collections\/hydrolevel-boiler-controls.oembed","provider":"New England Supply House","version":"1.0","type":"link"}