{"product_id":"oem-goodman-door-interlock-switch-w-wires-for-gmpn080-4-b1370820","title":"OEM Goodman Door Interlock Switch w\/ Wires for GMPN080-4 — B1370820","description":"\u003ch2\u003eGoodman B1370820 Blower Door Interlock Switch (Pre-Wired)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman B1370820\u003c\/strong\u003e is a genuine OEM blower-compartment door interlock switch supplied \u003cstrong\u003ecomplete with its wire harness\u003c\/strong\u003e, designed for the \u003cstrong\u003eGMPN080-4\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana units. This safety switch cuts power to the furnace whenever the blower access panel is removed, preventing operation with an open cabinet. If your furnace goes completely dead when the door is off, won't start with the panel installed, or has a broken\/burned door-switch plunger, this pre-wired assembly is the direct fix.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Normally-open door interlock safety switch\u003c\/li\u003e\n\u003cli\u003eIncludes: Factory wire leads \/ harness\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003cli\u003eCompatible model: Goodman GMPN080-4\u003c\/li\u003e\n\u003cli\u003eEquipment type: Gas Furnace\u003c\/li\u003e\n\u003cli\u003eMounting: Blower access panel bracket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370820\u003c\/strong\u003e arrives with the correct connector, lead length, and plunger geometry so it seats against the door exactly as designed. Generic door switches often require splicing, come with mismatched brackets, or use weaker actuators that fail early. Buying the factory pre-wired assembly saves troubleshooting time and guarantees the interlock functions as a proper safety device.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2\/5).\u003c\/strong\u003e Plan on 15–25 minutes. Cut power first, note wire routing, unbolt the old switch bracket, mount the new one, and reconnect the leads. Confirm the plunger depresses fully when the door is latched. A multimeter helps verify continuity before button-up.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058147148147,"sku":"GOODMAN-12086","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-interlock-switch-w-wires-for-gmpn080-4-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}