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The Goodman 10690402S is a genuine OEM interlock (blower door) safety switch engineered for the Amana/Goodman AMEC961004CNAA gas furnace and compatible models. This normally-open switch de-energizes the furnace whenever the blower access panel is removed, protecting the technician and preventing the unit from operating with an open cabinet. A worn or stuck door switch is one of the most common causes of a furnace that will not start after service.
This is the factory-specified OEM switch, guaranteeing exact mounting-tab geometry and actuation travel. Universal aftermarket switches often require bracket modification and can misread the door position, leaving you with intermittent no-heat faults. For a safety-critical component we recommend the genuine part.
Easy (1/5). Two spade terminals and a single mounting screw. Shut off power at the disconnect, transfer the wires one at a time, and reinstall. Typical replacement time is under 10 minutes with basic hand tools.