{"title":"Maid O' Mist","description":"\u003cp\u003eShop 11 Maid O' Mist replacement parts and controls at New England Supply House. We carry Maid O' Mist components for heating, cooling, and building automation systems. In-stock inventory ships same day from Foxboro, MA — competitive contractor pricing on every order.\u003c\/p\u003e","products":[{"product_id":"maid-o-mist-7a-air-vent-safe-waste-connector","title":"Maid O' Mist 7A Air Vent Safe Waste Connector","description":"\u003cdiv\u003e\n\u003cp\u003eThe Maid O' Mist 7A Air Vent Safe Waste Connector is designed to deliver safe venting and waste management for heating systems. This Size 1\/4 inch copper\/plastic tubing compatible connector ensures a tight, leak-resistant connection for float operated convector radiators, baseboard radiation, and radiant panel air vents. It is intended for use with Auto-Vents and is compatible with common models such as 66, 67, and 68, offering flexible installation across different configurations. Built to withstand typical heating-room environments, it helps prevent backflow and reduces maintenance by providing a reliable waste path.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eSize: 1\/4 inch copper\/plastic tubing\u003c\/li\u003e\n\u003cli\u003eSuitable for float-operated convector radiators, baseboard radiation, and radiant panel air vents\u003c\/li\u003e\n\u003cli\u003eCompatible with Auto-Vents (Model\/Brand Auto-Vents)\u003c\/li\u003e\n\u003cli\u003eSafe waste path for vented systems\u003c\/li\u003e\n\u003cli\u003eInterchangeable with parts 66, 67, 68\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDurable construction, straightforward installation, and reliable performance make the Maid O' Mist 7A a practical upgrade for any heating system. It integrates smoothly with existing vent lines and waste channels, promoting safer operation and longer equipment life in residential or light-commercial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605384610014,"sku":"3692","price":12.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339695_fbc2d39e-93ca-4ff8-abc1-dd5c9fa7afa1.jpg?v=1765815876"},{"product_id":"maid-o-mist-9as-air-vent-shortstop","title":"Maid O' Mist 9AS Air Vent Shortstop","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eMaid O' Mist 9AS Air Vent Shortstop\u003c\/b\u003e is a reliable \u003ci\u003eautomatic shut-off\u003c\/i\u003e valve designed for air vents in residential heating systems. This \u003ci\u003espring loaded\u003c\/i\u003e unit provides dependable shut-off and quick response to trapped air, helping protect radiators and baseboard zones from leaks and air locks.\u003c\/p\u003e \u003cp\u003eSize 1\/8 Inch Male Threaded, it fits standard air vents across \u003cb\u003efloat operated convector radiator\/baseboard radiation\/radiant panel air vent\u003c\/b\u003e configurations. It’s compatible with \u003cb\u003eAuto-Vents\u003c\/b\u003e models and \u003cb\u003ePart Nos 66, 67, 78\u003c\/b\u003e, making it a versatile replacement for older setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Automatic Shut-Off, Spring Loaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 1\/8 Inch Male Threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Float Operated Convector Radiator\/Baseboard Radiation\/Radiant Panel Air Vent\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Auto-Vents; Part Nos 66, 67, 78\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBenefits:\u003c\/b\u003e Reduces air pockets and ensures efficient system operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605384904926,"sku":"3693","price":25.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339696_f8101933-64db-4db0-99c5-5747b9d3b69c.jpg?v=1765815885"},{"product_id":"maid-o-mist-4-steam-vent","title":"Maid O' Mist 4 Steam Vent","description":"\u003cdiv\u003e\n\u003cp\u003eThe Maid O' Mist 4 Steam Vent is an angle-type vent designed for steam radiators. With a 1\/8 inch inlet and a 0.04 inch vent size, this unit delivers precise steam ventilation where you need it most.\u003c\/p\u003e \u003cp\u003eEngineered for reliability in fluctuating steam systems, the Maid O' Mist 4 Steam Vent adapts easily to common radiator configurations. The compact profile and straightforward design promote efficient air release, helping maintain steady pressure and quieter operation. Whether you are maintaining an older system with legacy radiators or outfitting a modern installation, this vent delivers dependable performance with minimal maintenance. It is designed for easy installation with standard fittings, making upgrades simple and downtime brief.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Angle\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet Size:\u003c\/b\u003e 1\/8 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMedia Handled:\u003c\/b\u003e Steam\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Radiator\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVent Size:\u003c\/b\u003e 0.04 Inch\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for long-lasting performance, this vent offers simple installation and dependable operation across a range of radiators. Ideal for upgrades or new installations, it helps optimize steam flow and overall heating efficiency. With durable construction and precise venting, the Maid O' Mist 4 Steam Vent supports efficient, quiet heating year-round.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605384970462,"sku":"3680","price":15.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00370700_d5d06895-55e9-479b-b13a-c139176dc3f9.jpg?v=1765815846"},{"product_id":"maid-o-mist-75-vent-valve","title":"Maid O' Mist 75 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe Maid O' Mist 75 Vent Valve is an automatic, float, self-closing vent valve designed for hot water systems. It delivers reliable air release in concealed radiators, piping, and tanks with a durable brass body and bright brass finish.\u003c\/p\u003e \u003cp\u003eWith an inlet size of 1\/2 Inch x 3\/4 Inch and connections that are Female Threaded x Male Threaded, this valve installs quickly on standard hot water lines. It handles hot water and is ideal for concealed radiators, pipe lines, and tanks, combining compact size with sturdy construction.\u003c\/p\u003e \u003cp\u003eEngineered for dependable performance, the Maid O' Mist 75 delivers quiet operation and reduces air lock in hot water circuits. The brass construction resists corrosion, while the compact, self-contained design simplifies installation behind walls or in tight spaces.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAutomatic, float-operated, self-closing\u003c\/b\u003e vent action\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet size:\u003c\/b\u003e 1\/2 Inch x 3\/4 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet connections:\u003c\/b\u003e Female Threaded x Male Threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBody material\/finish:\u003c\/b\u003e Brass with Bright Brass finish\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMedia handled:\u003c\/b\u003e Hot water\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Concealed radiator, pipe line, tank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 4-3\/4 Inch x 2-1\/4 Inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385003230,"sku":"3691","price":52.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339691_e1da66a6-0e79-4260-a938-c37cca672977.jpg?v=1765815874"},{"product_id":"maid-o-mist-74-vent-valve","title":"Maid O' Mist 74 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eMaid O' Mist 74 Vent Valve is an automatic, float, self-closing vent valve designed for hot water systems. This compact brass valve efficiently vents trapped air to maintain optimal circulation and heat transfer in concealed radiators, pipes, and tanks.\u003c\/p\u003e \u003cp\u003eCrafted with a brass body and a bright brass finish, the valve handles hot water with durability and corrosion resistance. The 1\/4 inch inlet size with a female threaded inlet ensures broad compatibility, while its vertical mounting suits concealed radiator installations and pipe lines. Thanks to its robust brass construction, the Maid O' Mist 74 vent valve resists corrosion in busy heating systems and is easy to service. Designed for vertical installation, it hides neatly in utility spaces while delivering dependable venting performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Automatic, Float, Self-Closing\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet Size:\u003c\/b\u003e 1\/4 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInlet Connection:\u003c\/b\u003e Female Threaded\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Brass\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMedia Handled:\u003c\/b\u003e Hot Water\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Concealed Radiator, Pipe Line, Tank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 4-3\/8 Inch x 2-1\/4 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Bright Brass\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting Type:\u003c\/b\u003e Vertical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385035998,"sku":"3690","price":36.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339688_312a75c0-42b9-4e10-ba24-9c688b01f4c7.jpg?v=1765815869"},{"product_id":"maid-o-mist-71-vent-valve","title":"Maid O' Mist 71 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eMaid O' Mist 71 Vent Valve is an automatic vent valve designed for efficient air removal in hot water systems. Featuring a float-operated, self-closing action, this brass vent ensures reliable venting for concealed radiators, pipes, and tanks.\u003c\/p\u003e\n\u003cp\u003eConstructed with a durable brass body and bright brass finish, the Maid O' Mist 71 handles hot water media with corrosion resistance. It features a 1\/4 inch inlet with a male threaded connection and a compact vertical mounting profile for tight spaces.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInlet size: 1\/4 inch with male threaded connection\u003c\/li\u003e \u003cli\u003eBrass body with bright brass finish for durability\u003c\/li\u003e \u003cli\u003eAutomatic, float-operated, self-closing vent valve for reliable air release\u003c\/li\u003e \u003cli\u003eSuitable for concealed radiators, pipe lines, and tanks handling hot water\u003c\/li\u003e \u003cli\u003eCompact vertical mount: 4-3\/8\" x 2-1\/4\" footprint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385068766,"sku":"3688","price":35.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339686_f1f62490-ae38-44a1-b264-f9cfab42b7d1.jpg?v=1765815862"},{"product_id":"maid-o-mist-7-vent-valve","title":"Maid O' Mist 7 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eMaid O' Mist 7 Vent Valve is an automatic, float, self-closing vent valve engineered for hot water systems. This brass vent valve delivers reliable air release to prevent air locks in concealed radiators, pipe lines, and tanks. The compact design combines a 1\/8 inch inlet size with a female threaded connection, making installation straightforward in tight spaces. Featuring a bright brass finish and vertical mounting, it blends with modern plumbing while providing rugged durability.\u003c\/p\u003e \u003cp\u003eIdeal for residential and commercial setups, the Maid O' Mist 7 Vent Valve ensures smooth system operation by venting trapped air automatically as water circulates. Use it in concealed radiators, pipelines, or storage tanks to maintain efficient heating performance and reduce noise.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVent Valve Type:\u003c\/b\u003e Automatic, Float, Self-Closing for hands-off operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet \u0026amp; Connection:\u003c\/b\u003e 1\/8\" inlet size with female threaded connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial \u0026amp; Finish:\u003c\/b\u003e Brass body with Bright Brass finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMedia Handled:\u003c\/b\u003e Hot water\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Concealed radiator, pipe line, and tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions \u0026amp; Mounting:\u003c\/b\u003e 4-3\/8\" L x 2-1\/4\" H; Vertical mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385593054,"sku":"3687","price":33.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339626_58cbbf5d-19e2-4432-9670-305c3b45d75e.jpg?v=1765815860"},{"product_id":"maid-o-mist-66-vent-valve","title":"Maid O' Mist 66 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe Maid O' Mist 66 Vent Valve is an automatic float vent designed for efficient hot water systems. It automatically expels trapped air from convectors and radiators, improving circulation and heat output in your home. Built for longevity, this valve resists mineral buildup and leaks, keeping maintenance simple and infrequent.\u003c\/p\u003e \u003cp\u003eWith a 1\/8 inch inlet size and male threaded inlet connection, the valve installs quickly in vertical configurations. The bright brass finish resists corrosion and blends with most heating hardware. Its compact footprint fits tight spaces beside standard radiators and baseboards, while providing dependable venting under continuous operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAutomatic float vent for hot water systems\u003c\/li\u003e \u003cli\u003eInlet size 1\/8 inch with male threaded connection\u003c\/li\u003e \u003cli\u003eVertical mounting for easy installation\u003c\/li\u003e \u003cli\u003eBright brass finish resists corrosion\u003c\/li\u003e \u003cli\u003eSuitable for Convector Radiators, Baseboard Radiation and Radiant Panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for Convector Radiators, Baseboard Radiation and Radiant Panels, this vent valve delivers steady air release for consistent comfort. It is an ideal upgrade for new installations or retrofits in residential hydronic systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385658590,"sku":"50975","price":17.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00342027_ca52e65b-6407-4f4c-a100-54aefcf4cdc3.jpg?v=1765809281"},{"product_id":"maid-o-mist-67-vent-valve","title":"Maid O' Mist 67 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe Maid O' Mist 67 Vent Valve is an automatic vent valve designed for hot water heating systems. This float-type vent removes trapped air efficiently, helping radiators, convectors, and radiant panels heat more quickly and evenly. With a 1\/8 inch inlet size and a male threaded connection, it installs neatly on vertical runs and fits standard piping without hassle. Built to withstand hot water service, the Maid O' Mist 67 excels in baseboard radiation and other low-flow zones where reliable venting is critical. The compact 4 inch x 1-9\/16 inch body and bright brass finish blend durability with a clean, unobtrusive look in any mechanical space. Its vertical mounting orientation simplifies placement in tight closets or above-piping runs, ensuring long service life and minimal maintenance.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eType: Automatic, Float\u003c\/li\u003e\n\u003cli\u003eInlet size: 1\/8 inch\u003c\/li\u003e\n\u003cli\u003eInlet connection: Male threaded\u003c\/li\u003e\n\u003cli\u003eMedia handled: Hot water\u003c\/li\u003e\n\u003cli\u003eApplications: Convector radiators, baseboard radiation, radiant panels\u003c\/li\u003e\n\u003cli\u003eSize: 4 inch x 1-9\/16 inch\u003c\/li\u003e\n\u003cli\u003eFinish: Bright brass\u003c\/li\u003e\n\u003cli\u003eMounting: Vertical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385724126,"sku":"3685","price":19.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00339624_dde148c5-00e7-428a-be7a-19d16084b459.jpg?v=1765815853"},{"product_id":"maid-o-mist-72-vent-valve","title":"Maid O' Mist 72 Vent Valve","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eMaid O' Mist 72 Vent Valve\u003c\/b\u003e is an automatic vent valve designed for hot water heating systems, ideal for convectors, baseboards, and free-standing radiators.\u003c\/p\u003e\n\u003cp\u003eThis easy-to-install device promotes efficient air release and reliable operation in residential and light commercial heating setups.\u003c\/p\u003e\n\u003cp\u003eKey specifications include inlet size 1\/8 inch, inlet connection male threaded, and overall size 1-1\/4 inch x 1\/2 inch. The valve is suitable for horizontal or vertical mounting and optimized for hot water media.\u003c\/p\u003e\n\u003cp\u003eDesigned for flexible layouts, the Maid O' Mist 72 Vent Valve delivers dependable venting across multiple heating configurations.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInlet size: 1\/8 inch with male threaded connection\u003c\/li\u003e \u003cli\u003ePort setting: 4 for steady venting performance\u003c\/li\u003e \u003cli\u003eMedia: Hot water\u003c\/li\u003e \u003cli\u003eApplications: Convector, baseboard, and free-standing radiators\u003c\/li\u003e \u003cli\u003eMounting: Horizontal or vertical installation\u003c\/li\u003e \u003cli\u003eSize: 1-1\/4 inch x 1\/2 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385756894,"sku":"3689","price":18.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00342028_91dd3001-e639-44d1-9ef4-88937f77624a.jpg?v=1765815866"},{"product_id":"maid-o-mist-68","title":"Maid O' Mist 68 Auto Vent","description":"\u003cdiv\u003e\n\u003cp\u003eMaid O' Mist 68 delivers reliable auto venting in a compact package. This model pairs an efficient auto vent with a practical V Mount configuration and a 1\/4\" IPS male connection for easy, universal installation.\u003c\/p\u003e\n\u003cp\u003eDesigned for spaces where performance matters, the Maid O' Mist 68 operates up to 50 PSI, providing steady venting without fuss. Its durable construction stands up to demanding environments, while its compact footprint fits snugly inside equipment panels, filtration units, and plumbing assemblies. The easy-to-install, corrosion-resistant design simplifies retrofits and new installations alike, and the reliable venting helps protect valves, reduce pressure fluctuations, and maintain system efficiency. Whether upgrading an existing line or outfitting a new system, this vent delivers consistent airflow and dependable operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAuto vent design\u003c\/b\u003e for smooth, maintenance-free venting\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eV Mount configuration\u003c\/b\u003e for flexible, space-saving installation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e1\/4\" IPS male inlet\u003c\/b\u003e ensures broad fitting compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUp to 50 PSI operating pressure\u003c\/b\u003e for versatile use\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable construction\u003c\/b\u003e with corrosion-resistant materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Metropac","offers":[{"title":"Default Title","offer_id":47605385789662,"sku":"3686","price":22.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0034\/7102\/files\/00346935_87480395-a322-4b45-ae10-83f2cafbca15.jpg?v=1765815855"}],"url":"https:\/\/newenglandsupplyhouse.com\/collections\/maid-o-mist-radiator-vents.oembed","provider":"New England Supply House","version":"1.0","type":"link"}