{"product_id":"oem-goodman-blower-door-safety-switch-w-wires-for-gmt090-5a-b1370820","title":"OEM Goodman Blower Door Safety Switch w\/ Wires for GMT090-5A — B1370820","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370820 Blower Door Safety Switch\u003c\/strong\u003e is the OEM door-interlock switch, pre-wired with a wire harness, for the \u003cstrong\u003eGMT090-5A\u003c\/strong\u003e gas furnace. This safety interlock cuts power to the furnace whenever the blower access panel is removed, protecting technicians and preventing operation with the door off. A failed door switch is a common cause of a furnace that appears completely dead — no blower, no ignition, no response.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Normally open plunger interlock switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Switch with factory wire harness (leads attached)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e De-energizes furnace when blower door is open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman\/Amana GMT090-5A and compatible cabinets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bracket at blower compartment door edge\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman switch\u003c\/strong\u003e arrives with the correct wire leads, connector, and plunger throw so it lines up with the door and mounting bracket. Generic door switches often need splicing and bracket modification, and the wrong plunger length can leave the furnace either always-off or unsafely always-on. The pre-wired OEM part is a true plug-in replacement.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate — DIY-capable.\u003c\/strong\u003e Turn off power, remove the mounting screw, unplug the two leads, and install the new switch harness. No gas work required; a 15–20 minute repair for a handy homeowner.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058160124275,"sku":"GOODMAN-12409","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-safety-switch-w-wires-for-gmt090-5a-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}