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The Goodman 10690402S Interlock Door Switch is a genuine OEM safety component for the ACEC961005CNAB and related Goodman/Amana systems. This blower-compartment interlock automatically disconnects power to the unit whenever the access panel is removed, protecting service technicians and homeowners from live electrical and moving blower components.
This genuine OEM switch matches the original plunger travel and contact rating exactly, so the door triggers the cutoff at the correct depth. Generic switches can misalign with the panel, leaving the system unable to start or, worse, running with the door off. For a safety interlock, OEM fit is critical.
Easy (2/5) — Disconnect the two wire leads, unclip or unscrew the old switch, and snap the new one into place. A 5-minute job for most homeowners. Shut off power at the breaker before starting.