{"product_id":"oem-goodman-interlock-door-switch-for-amss921205dnaa-10690402s","title":"OEM Goodman Interlock Door Switch for AMSS921205DNAA — 10690402S","description":"\u003ch2\u003eGoodman 10690402S Interlock Door Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e10690402S\u003c\/strong\u003e is a genuine OEM blower-door interlock safety switch, a direct-fit replacement for the \u003cstrong\u003eAMSS921205DNAA\u003c\/strong\u003e furnace and compatible Goodman\/Amana models. This normally-open plunger switch closes only when the blower access panel is properly installed. With the door off, it opens the 24V circuit and prevents the furnace from firing — protecting service technicians and ensuring the furnace never runs with the combustion or blower compartment exposed.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Blower door interlock safety switch\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally open plunger, closes on panel install\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \u0026amp; Amana furnaces including AMSS921205DNAA\u003c\/li\u003e\n\u003cli\u003eFunction: Cuts control power when access panel is removed\u003c\/li\u003e\n\u003cli\u003eTerminals: 1\/4\" quick-connect spades\u003c\/li\u003e\n\u003cli\u003eBrand: Genuine Goodman OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe plunger throw, mounting footprint, and contact rating on this switch are matched to your furnace cabinet. A genuine OEM door switch seats and actuates correctly when the panel is reinstalled, so the furnace starts reliably. Generic switches with a different plunger length may not close fully — leaving the furnace dead even with the door on — or may fail to open for service safety. OEM ensures correct fit and function.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eRating: Easy (2\/5).\u003c\/strong\u003e About 10–15 minutes. Turn off power at the furnace, note the two wire connections, unscrew the old switch from the blower shelf, and mount the new one in the same position so the plunger aligns with the door edge. Reconnect the spades and confirm the furnace only energizes with the panel fully seated.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlways cut power before servicing. When in doubt, use a qualified HVAC technician.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057786929523,"sku":"GOODMAN-7509","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-interlock-door-switch-for-amss921205dnaa-10690402s","provider":"National HVAC Parts","version":"1.0","type":"link"}