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The Goodman 10690402S Interlock Door Switch is the genuine OEM blower-door safety switch for the AMVC960803BNAA variable-speed gas furnace and compatible Goodman/Amana models. This normally-open switch cuts all power to the furnace whenever the blower-compartment door is removed, preventing operation with an open cabinet. A stuck or broken door switch is a frequent reason a furnace appears completely dead after service.
The OEM switch matches the exact plunger length, bracket, and terminal layout so the door depresses it correctly. A generic switch that sits too high or low will leave the furnace dead or, worse, defeat the safety. For a part this affordable, OEM is the clear choice.
Easy (1/5). One or two screws and two spade terminals inside the blower compartment. Cut power, swap, reconnect — about 10 minutes.