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The Goodman 10690402S Interlock Door Switch is a genuine OEM blower-compartment safety cutoff for the ACES960804CNAA gas furnace. This door interlock de-energizes the furnace whenever the blower access panel is removed, protecting the technician and preventing the unit from operating without its safety cover in place.
The OEM 10690402S matches the exact plunger length, actuation point, and mounting footprint of your furnace's door cutout. Generic interlock switches often have a different throw or bracket, which can leave the furnace permanently off (door never makes contact) or, dangerously, always on (door never breaks contact). The factory part guarantees correct safety operation.
Easy (1/5). About 10 minutes: disconnect power, unclip or unscrew the old switch, transfer the two spade connectors, and snap/screw the new switch into place. Confirm the access door fully depresses the plunger on reinstall. Always shut off power before servicing.