{"product_id":"oem-goodman-interlock-door-switch-for-ames920403anaa-10690402s","title":"OEM Goodman Interlock Door Switch for AMES920403ANAA — 10690402S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 10690402S Interlock Door Switch\u003c\/strong\u003e is a genuine OEM blower-door safety switch for \u003cstrong\u003eAMES920403ANAA\u003c\/strong\u003e gas furnaces and compatible Goodman\/Amana models. This interlock cuts power to the furnace whenever the blower access panel is removed, preventing operation with the door off. If your furnace is completely dead — no lights, no ignition — a stuck-open or misaligned door switch is a common and inexpensive culprit worth checking first.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Plunger\/interlock door safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Opens circuit when blower door is removed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfig:\u003c\/strong\u003e Normally open, closed when door installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e AMES920403ANAA and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 10690402S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM switch\u003c\/strong\u003e matches the exact plunger height and mounting position so the door closes it reliably. Generic switches often sit slightly off, causing intermittent power loss that mimics far more expensive board or ignition failures. OEM saves troubleshooting headaches.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (DIY-friendly).\u003c\/strong\u003e One or two screws and two wire terminals. Cut power at the breaker before servicing. Confirm the door depresses the plunger fully after installation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057592942963,"sku":"GOODMAN-4703","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-interlock-door-switch-for-ames920403anaa-10690402s","provider":"National HVAC Parts","version":"1.0","type":"link"}