{"product_id":"oem-goodman-blower-door-switch-w-wires-for-gsu080-4-b1370820","title":"OEM Goodman Blower Door Switch w\/ Wires for GSU080-4 — B1370820","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370820 Door Switch\u003c\/strong\u003e is a genuine OEM blower-compartment interlock switch with \u003cstrong\u003epre-attached wire leads\u003c\/strong\u003e, built for \u003cstrong\u003eGSU080-4\u003c\/strong\u003e gas furnaces. This safety interlock cuts power to the furnace whenever the blower access panel is removed, preventing the unit from running with the door open — a code-required protection against electrical shock and unsafe combustion airflow.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003cli\u003eType: Blower-door safety interlock switch\u003c\/li\u003e\n\u003cli\u003eConfiguration: Plunger switch with factory wire leads\u003c\/li\u003e\n\u003cli\u003eFunction: Opens power circuit when access panel is removed\u003c\/li\u003e\n\u003cli\u003eCompatible Model: Goodman GSU080-4 furnace\u003c\/li\u003e\n\u003cli\u003eIncludes: Switch and pre-terminated wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003efactory-original Goodman assembly\u003c\/strong\u003e ships with the correct wire length, connectors, and plunger travel to fit the GSU080-4 blower door bracket exactly. Generic door switches frequently require splicing, re-crimping, or bracket modification, and a mismatched plunger height can leave the furnace unable to start even with the door closed. OEM means true plug-and-play.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2 of 5).\u003c\/strong\u003e Shut off power, note the existing wire routing, disconnect the leads, unscrew the switch from its bracket, and install the replacement — matching the plunger position so it depresses fully when the panel is seated. About 20 minutes. Verify the furnace only energizes with the door closed before finishing.\u003c\/p\u003e\u003cp\u003eGenuine Goodman reliability. In stock and ready to ship.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058182635891,"sku":"GOODMAN-13009","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-switch-w-wires-for-gsu080-4-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}