IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 10690402S interlock door switch is a genuine OEM safety component for the AMES920805CNAA gas furnace and compatible Goodman/Amana models. This normally-open plunger switch mounts at the blower compartment and de-energizes the furnace whenever the access door is removed, preventing operation with the panel off. If your furnace won't start until the door is pressed firmly, a failed interlock switch is the likely culprit.
OEM vs. Generic: The OEM 10690402S matches the original plunger length and mounting footprint so the door reliably actuates the switch. Generic substitutes often differ in throw or bracket geometry, leading to intermittent no-heat calls. OEM is the safe choice for this life-safety interlock.
Install difficulty: Easy (1/5) — snap-in mount with two spade terminals. Disconnect power before replacing.