IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 10690402S is a genuine OEM blower-door interlock switch for the VMSS960804CNAA gas furnace. This plunger-style safety switch cuts power to the furnace whenever the blower access panel is removed, preventing operation with the door off — an important protection against electrical shock and flue-gas spillage. If your furnace is completely dead but has power at the disconnect, a stuck or broken door switch is one of the first things to check.
OEM guarantees the correct plunger length and mounting position so the switch actuates precisely when the door seats. Generic substitutes often sit at the wrong depth, either failing to close (no-heat) or being defeated entirely (a safety bypass). For an interlock safety device, exact OEM fit matters.
Easy (1/5) — One or two mounting screws and two spade terminals. Shut off power, transfer the wires, and confirm the plunger engages when the door is installed. About 10 minutes.