{"product_id":"37022-36176-limit-switch-for-atwood-rv-furnace-heater-hydro-flame-8500-series-2p","title":"37022 36176 Limit Switch for Atwood RV Furnace Heater Hydro Flame 8500 Series 2P","description":"\u003ch2\u003eLimit Switch 37022 36176 for Atwood RV Furnace Heater Hydro Flame 8500 Series\u003c\/h2\u003e\u003cp\u003eThis 37022 36176 limit switch is a replacement safety control for Atwood RV furnace heaters in the Hydro Flame 8500 Series, cycling the burner off when temperatures run high. It cross-references OEM numbers 37022 and 36176 and installs in place of the original limit switch on Hydro Flame 8500 Series units.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis limit switch fits Atwood RV furnace heaters in the Hydro Flame 8500 Series and acts as the high-temperature safety shutoff for the burner circuit. It opens the circuit when the heat exchanger reaches its set point, then closes again as the unit cools, keeping the furnace cycling safely. It is built for RV owners and technicians replacing a failed or worn limit switch on an Atwood Hydro Flame 8500 Series furnace.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM limit switch numbers 37022 and 36176\u003c\/li\u003e\n\u003cli\u003eOpens the burner circuit at the design temperature to prevent overheating\u003c\/li\u003e\n\u003cli\u003eResets automatically as the furnace cools so normal cycling continues\u003c\/li\u003e\n\u003cli\u003eTwo-switch configuration matches the Hydro Flame 8500 Series layout\u003c\/li\u003e\n\u003cli\u003eSimple two-wire hookup on the furnace control circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Atwood Hydro Flame 8500 Series RV furnaces\u003c\/li\u003e\n\u003cli\u003efor Atwood RV furnace heaters using limit switch 37022\u003c\/li\u003e\n\u003cli\u003efor Atwood RV furnace heaters using limit switch 36176\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestoring heat in an RV after a limit switch fails open\u003c\/li\u003e\n\u003cli\u003ePreventive replacement during furnace service and tune-ups\u003c\/li\u003e\n\u003cli\u003eDiagnosing short-cycling or no-heat furnace complaints\u003c\/li\u003e\n\u003cli\u003eShop stock for RV HVAC and appliance repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e37022, 36176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimit switch, 2-pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAtwood Hydro Flame 8500 Series RV furnace heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my limit switch has failed? \u003cstrong\u003eA:\u003c\/strong\u003e A failed limit switch commonly causes the furnace to short-cycle, run briefly, or stop heating altogether even when the thermostat calls for heat. Testing continuity across the switch with a meter confirms whether it has failed open.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an original Atwood part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket replacement limit switch made to fit Atwood Hydro Flame 8500 Series furnaces and cross-references OEM numbers 37022 and 36176. It is not an original Atwood-branded component.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50550355394646,"sku":"ZZ3L00005","price":29.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_93c52909-b29f-43ad-9b00-bb0fd3252574.jpg?v=1790774638","url":"https:\/\/www.solidspare.com\/products\/37022-36176-limit-switch-for-atwood-rv-furnace-heater-hydro-flame-8500-series-2p","provider":"Solid Spare","version":"1.0","type":"link"}