{"product_id":"304629000-nordyne-door-switch","title":"304629000 Nordyne Door Switch","description":"\u003ch1\u003e304629000 Nordyne Door Switch \u003c\/h1\u003e\n\u003ch2\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cstrong\u003eNormal Stock Item\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e304629000 Nordyne Door Switch\u003c\/strong\u003e is an OEM \u003cstrong\u003efurnace access‑door safety interlock switch\u003c\/strong\u003e used across many \u003cstrong\u003eNordyne \/ Miller \/ Intertherm\u003c\/strong\u003e mobile‑home furnace families. It functions as a \u003cstrong\u003enormally‑closed mechanical hinge‑lever switch\u003c\/strong\u003e that opens the circuit when the blower door is removed—preventing operation during service and protecting against electrical shock or gas‑related hazards. \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e P\u003cspan\u003e\u003cstrong\u003eart Number:\u003c\/strong\u003e 304629000 \u003cstrong\u003eType:\u003c\/strong\u003e Mechanical door safety switch \u003cstrong\u003eOperation Mode:\u003c\/strong\u003e \u003cstrong\u003eAutomatic\u003c\/strong\u003e, \u003cstrong\u003eNormally Closed\u003c\/strong\u003e (opens when door is removed) \u003cstrong\u003eActuator Style:\u003c\/strong\u003e Hinge‑lever door‑mounted \u003cstrong\u003eTerminals:\u003c\/strong\u003e Screw‑type stainless‑steel terminals for secure wiring \u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel body and contacts for durability and corrosion resistance \u003cstrong\u003eWeight:\u003c\/strong\u003e ~0.75 lb \/ 340 g (PartsHnC listing) \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003cstrong\u003eMiller \/ Nordyne CMF series furnaces\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNot used in CMF2 models\u003c\/strong\u003e (Amazon + Walmart listings confirm exclusion) \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003eCommon across mobile‑home furnace families including \u003cstrong\u003eMiller, Intertherm, Nordyne, Broan\u003c\/strong\u003e (Walmart listing) \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e⚠️ \u003cstrong\u003eCommon Failure Symptoms\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFurnace will not run unless pressure is applied to the door\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent shutdowns during operation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSystem runs only when switch is manually pressed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFurnace remains off even with the door installed (classic failed interlock)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eUse Case\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis switch is a \u003cstrong\u003ecritical safety component\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhen the door is closed → circuit stays closed → furnace operates\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhen the door is opened → circuit opens → furnace shuts down to prevent hazards \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":44513041186882,"sku":"304629000","price":32.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Switch.png?v=1784914697","url":"https:\/\/hvacpartstore.com\/products\/304629000-nordyne-door-switch","provider":"HVACpartstore","version":"1.0","type":"link"}