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The Goodman 10690402S Interlock Door Switch is a genuine OEM safety component for the ACES961205DNAA furnace and related Goodman/Amana models. This normally-open switch cuts power to the blower and burner circuit whenever the blower compartment door is removed, preventing the furnace from running with the panel open — a required code safety interlock.
This genuine OEM switch matches the exact plunger length, bracket footprint, and amperage rating of the original. Generic substitutes frequently have a shorter actuator that fails to engage when the door is seated, leaving the furnace dead. OEM guarantees correct engagement and listed safety rating.
Easy (1/5). Shut off power, unclip the old switch, transfer the two wire leads, and snap the new switch into the bracket. Typically a 5–10 minute repair with a single screwdriver.