IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 10123529 Manual Reset Limit Switch is a genuine OEM high-temperature safety control for the AMVC81005CXBD gas furnace. This normally-closed switch opens and cuts power to the gas valve if it senses an over-temperature condition — typically caused by restricted airflow, a dirty filter, or a failed blower. Because it is a manual reset device, it must be physically reset after a trip, which alerts the homeowner that an underlying airflow problem needs attention.
The factory OEM Goodman switch is calibrated to the exact trip temperature specified for this heat exchanger and cabinet. Generic limits with the wrong set point either trip prematurely (nuisance shutdowns) or, worse, too late (a genuine safety risk). For any safety-rated control, always install the OEM part.
Easy to Moderate (2/5). Turn off power, disconnect the two spade terminals, remove the mounting screws, and install the replacement in the same orientation. Verify the reset button is engaged before restoring power. If the new switch trips again, investigate airflow — do not bypass the switch.
Genuine Goodman safety part, in stock with fast shipping. Not sure it matches your furnace? Contact info@nationalhvacparts.com with your model and serial number.