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The genuine OEM Goodman 10690402S interlock door switch is a direct-fit replacement for the ACES960603BNAA furnace blower compartment. This safety switch cuts power to the furnace whenever the blower access panel is removed, protecting service technicians and homeowners from live electrical and moving blower components. If your furnace runs only when you press the door switch in by hand, the original has failed and needs replacement.
OEM 10690402S matches the original plunger length and mounting tabs for a drop-in fit. Generic interlocks often require bending the bracket or stacking washers to actuate correctly, which can leave the safety function unreliable. Choose OEM for a clean fit.
Very Easy (1/5). Cut power, unclip the old switch, transfer the two spade wires and snap the new one into the bracket. Under 10 minutes with a screwdriver.