{"product_id":"oem-goodman-blower-door-safety-switch-with-wires-for-gmt070-3b-b1370820","title":"OEM Goodman Blower Door Safety Switch with Wires for GMT070-3B — B1370820","description":"\u003ch2\u003eGoodman B1370820 Blower Door Safety Switch (with Wires)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB1370820\u003c\/strong\u003e is a genuine Goodman blower door interlock safety switch designed for the \u003cstrong\u003eGMT070-3B\u003c\/strong\u003e gas furnace and other compatible Goodman\/Amana models. This normally-open switch cuts power to the blower and burner circuits whenever the blower access panel is removed, protecting technicians and homeowners from live electrical contact and preventing operation with the door open. It ships pre-terminated with factory wiring for a plug-and-play replacement.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Blower door interlock \/ access-panel safety switch\u003c\/li\u003e\n\u003cli\u003eFunction: Normally open, opens circuit when panel removed\u003c\/li\u003e\n\u003cli\u003eIncludes: Pre-attached wire leads and connectors\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMT070-3B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM B1370820\u003c\/strong\u003e guarantees exact bracket alignment, correct actuation travel, and factory-rated wire leads — critical for a safety interlock. Generic aftermarket switches can vary in plunger height and mounting, which may cause nuisance trips or fail to break the circuit reliably. For a code-compliant safety device, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5)\u003c\/strong\u003e — Disconnect furnace power, remove the old switch bracket, transfer the wire leads, and remount. Typical replacement takes 15–20 minutes with basic hand tools. Always verify the switch opens the circuit before restoring power.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058157633907,"sku":"GOODMAN-12314","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-safety-switch-with-wires-for-gmt070-3b-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}