{"product_id":"oem-goodman-door-switch-with-wires-for-gsm100-4-b1370820","title":"OEM Goodman Door Switch with Wires for GSM100-4 — B1370820","description":"\u003ch2\u003eGoodman B1370820 Blower Door Safety Switch (with Wires)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370820\u003c\/strong\u003e is a genuine OEM blower-door interlock safety switch, supplied \u003cstrong\u003epre-wired with its wire harness\u003c\/strong\u003e, for \u003cstrong\u003eGSM100-4\u003c\/strong\u003e series gas furnaces and compatible Goodman\/Amana equipment. This normally-open interlock removes power to the furnace whenever the blower access panel is removed, protecting service techs and homeowners from live wiring and a spinning blower wheel. If your furnace is completely dead with no display, a stuck, broken, or misaligned door switch is a common and inexpensive culprit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370820\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Blower-door interlock safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Pre-attached wire harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAction:\u003c\/strong\u003e Opens (cuts power) when access panel is removed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e GSM100-4 and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM B1370820 comes with the correct connector and lead lengths, so it plugs into the GSM100-4 harness without splicing. Generic door switches usually require cutting and crimping wires and may sit at the wrong actuation depth, leaving the furnace intermittently dead. For a true plug-in replacement, choose OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5)\u003c\/strong\u003e — Unclip the old switch from the blower shelf, unplug the harness, and snap the new one in. No wire splicing needed thanks to the included leads. About 15 minutes with power off.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058181161331,"sku":"GOODMAN-12944","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-switch-with-wires-for-gsm100-4-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}