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The 10690402S interlock door switch is the blower-compartment safety switch for the Goodman/Amana AMEC960803BNAC gas furnace. It cuts 120V power to the furnace whenever the blower access panel is removed, preventing the unit from operating with the door open. A furnace that is completely dead — no ignition, no blower, no board lights — often has a stuck, broken, or misaligned door switch, or a panel that isn't seated firmly against the plunger.
This genuine OEM Goodman switch matches the exact plunger height and bracket position so the panel actuates it reliably. Generic pushbutton switches often have a different throw or footprint, leading to intermittent no-heat calls when the door doesn't fully depress the plunger. OEM ensures consistent, safe operation.
Rating: Easy (1 of 5). Remove one or two screws, transfer the two wire leads, and remount — about 10 minutes. Disconnect 120V power at the breaker first. Never bypass or tape down a door switch; it is a required safety device.