{"product_id":"626449r-nordyne-limit-switch-l250-25f","title":"626449R Nordyne Limit Switch L250-25F","description":"\u003ch1\u003e626449R Nordyne Limit Switch L250-25F\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e626449R is an OEM Nordyne temperature‐limit switch that opens at 250 °F and resets at 225 °F. It features a 1\/2″ sensing bulb, automatic reset, and board-mount configuration, ensuring reliable overheat protection in gas furnaces. Priced at $35.39 each, 90 units are currently in stock at HVAC Part Store.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Temperature\u003c\/td\u003e\n\u003ctd\u003e250 °F (opens)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReset Temperature\u003c\/td\u003e\n\u003ctd\u003e225 °F (closes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulb Diameter\u003c\/td\u003e\n\u003ctd\u003e1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulb Length\u003c\/td\u003e\n\u003ctd\u003e3″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eBoard-mount with two screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003eSPST normally closed, automatic reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Connections\u003c\/td\u003e\n\u003ctd\u003eTwo 1\/4″ male quick-connect spades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eRed thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.25 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Ambient Range\u003c\/td\u003e\n\u003ctd\u003e–40 °F to 185 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Part Number\u003c\/th\u003e\n\u003cth\u003eReplaces\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e626449R\u003c\/td\u003e\n\u003ctd\u003e626449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFits Nordyne, Nordyne Miller, Intertherm, Ducane, and various private-label gas furnaces originally equipped with an L250-25F limit control. Always verify the furnace’s data-plate specifications and control board layout before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnician Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCut power to the furnace and shut off the gas supply before servicing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemove the furnace access panel to locate the existing secondary high-limit or manual reset switch.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDocument or photograph the wiring and mounting bracket orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUnscrew the two mounting screws, then detach the bulb from its clip and disconnect the quick-connect terminals.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlign the new 626449R switch in the bracket, secure with screws, and clip the sensing bulb into its holder.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReconnect spade terminals according to your photos or furnace wiring diagram.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRestore power and initiate a heat call. Confirm the furnace cycles off when the heat exchanger reaches around 250 °F.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIf available, use a surface sensor or infrared thermometer to verify accurate trip and reset temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\" long limit switch. Back plate measures2-3\/4\" X 1-7\/8\"\u003c\/p\u003e\n\u003cp\u003eReplaces 626449\u003c\/p\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":45561748389954,"sku":"626449","price":35.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/products\/yhst-130159302524877_2272_489699856.jpeg?v=1566072787","url":"https:\/\/hvacpartstore.com\/products\/626449r-nordyne-limit-switch-l250-25f","provider":"HVACpartstore","version":"1.0","type":"link"}