{"product_id":"oem-goodman-blower-door-safety-switch-for-gmth090-5-furnace-b1370819","title":"OEM Goodman Blower Door Safety Switch for GMTH090-5 Furnace — B1370819","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370819 Door Switch\u003c\/strong\u003e is a genuine OEM blower-compartment interlock safety switch built for the \u003cstrong\u003eGoodman GMTH090-5\u003c\/strong\u003e gas furnace and compatible GMTH-series units. This plunger-style switch cuts power to the furnace whenever the blower access panel is removed, preventing the burners and blower from running with the door open — a code-required safety function.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SPST plunger interlock switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e De-energizes furnace when blower door is opened\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Factory bracket on blower deck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Goodman GMTH090-5 and compatible furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370819\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM B1370819\u003c\/strong\u003e matches Goodman's exact plunger throw, contact rating, and mounting position, so the door seats and the switch actuates correctly every time. Aftermarket door switches frequently misalign, leaving the furnace dead or defeating the safety interlock. Choose OEM for a proper, reliable fit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — Unplug the wire connector, remove one or two screws, and swap in the new switch. Disconnect furnace power first. A common repair for furnaces that won't start until the door is pressed.\u003c\/p\u003e\u003cp\u003eKeep your GMTH090-5 running safely with the correct factory door interlock switch.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058166808947,"sku":"GOODMAN-B1370819","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-safety-switch-for-gmth090-5-furnace-b1370819","provider":"National HVAC Parts","version":"1.0","type":"link"}