{"title":"Air Valves","description":"","products":[{"product_id":"1-in-bspp-air-vent-boiler-drain-combination-set-w-gaskets","title":"250226 - 1\" BSPP Air Vent\/Boiler Drain Combination Set w\/ Gaskets","description":"\u003cp\u003e\u003cstrong\u003eRehau 250226 - 1\" BSPP Air Vent \/ Boiler Drain Combination Set with Gaskets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis set includes air vent\/boiler drain combination pieces with union nuts and gaskets. Manual air vent opens with 1\/4 in. vent key (supplied with each manifold). Boiler drain ball valve includes male garden hose thread (GHT) for convenient connections. Gasketed caps included.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003ePREH122001\u003c\/span\u003e\u003c\/p\u003e","brand":"Rehau","offers":[{"title":"Default Title","offer_id":32797295607862,"sku":"250226","price":85.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/rehau_250226_1_wm.jpg?v=1755704735"},{"product_id":"502243a-1-2-high-capacity-auto-air-vent","title":"502243A - 1\/2\" High Capacity Auto Air Vent","description":"\u003cp\u003e1\/2\" High Capacity Auto Air Vent\u003c\/p\u003e\n\u003cp\u003eBrass body.\u003c\/p\u003e\n\u003cp\u003eMax working pressure:  150 psi\u003cbr\u003eMax discharge pressure:  60 psi\u003cbr\u003eMax discharge rate:  2.5 SCFM\u003cbr\u003eMax working temp: 250 degrees F\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL123118\u003c\/span\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44548038066421,"sku":"502243A","price":29.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/502243a.jpg?v=1755626185"},{"product_id":"502710a-automatic-air-vent-1-8-npt-male-with-check-valve","title":"502710A - Automatic Air Vent 1\/8\" NPT Male with Check Valve","description":"\u003cp\u003e502710A Automatic Air Vent 1\/8\" NPT Male with Check Valve\u003c\/p\u003e\r\n\u003cp\u003eDesigned to vent air that is released from the water while being heated. Allows for an easy replacement of air vent without purging the system.\u003c\/p\u003e\r\n\u003cp class=\"p1\"\u003eBrass body. \u003c\/p\u003e\r\n\u003cp class=\"p1\"\u003eMax working pressure:  150 psi\u003cbr\u003eMax discharge pressure:  90 psi\u003cbr\u003eMax discharge rate:  1.75 SCFM\u003cbr\u003eMax working temp:  240 Degrees F\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003chr\u003e\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL123113\u003c\/span\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44548038918389,"sku":"502710A","price":14.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/502710a.jpg?v=1755626184"},{"product_id":"508013a-hygroscopic-air-vent-1-8-inch-npt-male","title":"508013A - Hygroscopic Air Vent 1\/8-Inch NPT Male","description":"\u003cp\u003e508013A Hygroscopic Air Vent 1\/8-Inch NPT Male, for hydronic heating systems and low pressure steam.\u003cbr\u003e Manual operation by rotating knob counterclockwise.  Radiator air vent designed to automatically remove any air trapped inside the emitters both during the filling of the system and in normal operations.\u003cbr\u003e \u003cbr\u003eChrome plated brass body.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax working pressure:  150 psi\u003cbr\u003eMax working temp:  212°F\u003cbr\u003eLow pressure steam: 15 psi\u003c\/li\u003e\n\u003cli\u003eType: No Float\u003c\/li\u003e\n\u003cli\u003eThread type: Male\u003c\/li\u003e\n\u003cli\u003eBody Pattern: Staight\u003c\/li\u003e\n\u003cli\u003eThread Size: 1\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL123280\u003c\/span\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44548039114997,"sku":"508013A","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/508013a.jpg?v=1755626183"},{"product_id":"59829-replacement-air-vent-assembly","title":"59829 - Replacement Air Vent Assembly","description":"\u003cp\u003e\u003cstrong\u003eCaleffi 59829 - Replacement Air Vent Assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDISCAL 551 Series (brass, \u003cem\u003eexcept Compact\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e546 Series (brass)\u003c\/li\u003e\n\u003cli\u003e5461 Series (commercial steel)\u003c\/li\u003e\n\u003cli\u003eSEP4 5495 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL122099\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44548042195189,"sku":"59829","price":82.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/caleffi_59829_1_wm.jpg?v=1755626177"},{"product_id":"na29284-cale-na29284-1-2-npt-shut-off","title":"NA29284 - Air Vent Shut-Off - 1\/2\" MNPT","description":"\u003cp\u003e\u003cstrong\u003eCaleffi NA29284 - Air Vent Shut-Off - 1\/2\" MNPT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAutomatic air vents are used in the closed circuits of solar heating systems. They allow air contained in the fluid to be released automatically during the filling process, through a valve operated by a float in contact with fluid in the system. The shut-off valves are used in combination with the automatic air vents to isolate them after filling the circuit of solar heating systems. These series of products have been specially made to work at high temperatures with a glycol medium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChrome plated brass body and ball\u003c\/li\u003e\n\u003cli\u003ePTFE Seals\u003c\/li\u003e\n\u003cli\u003eMedium: water, glycol solutions\u003c\/li\u003e\n\u003cli\u003eMax Percentage of Glycol: 50%\u003c\/li\u003e\n\u003cli\u003eWorking temperature range: -20 to 360 degrees F\u003c\/li\u003e\n\u003cli\u003eMax Working Pressure: 150 psi (10 bar)\u003c\/li\u003e\n\u003cli\u003eConnection: 1\/2\" F x 1\/2\" M NPT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL123461\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44548042588405,"sku":"NA29284","price":45.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/caleffi_na29284_1_wm.jpg?v=1755626172"},{"product_id":"502720a-automatic-air-vent-1-4-npt-male-with-check-valve","title":"502720A - Automatic Air Vent 1\/4\" NPT Male with Check Valve","description":"\u003cp\u003e\u003cstrong\u003eCaleffi 502720A - Automatic Air Vent 1\/4\" NPT Male with Check Valve\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned to vent air that is released from the water while being heated. Allows for an easy replacement of air vent without purging the system.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eBrass body. \u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMax working pressure:  150 psi\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMax discharge pressure:  90 psi\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMax discharge rate:  1.75 SCFM\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eMax working temp:  240 Degrees F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003eHCAL123114\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":45882619068661,"sku":"502720A","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/caleffi_502720a_2.jpg?v=1755625895"}],"url":"https:\/\/www.supplystop.com\/collections\/air-valves\/rehau.oembed","provider":"SupplyStop.com","version":"1.0","type":"link"}