IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine Goodman 0130F00038 Auxiliary Limit Switch (identified by its light-blue housing) is an OEM high-temperature safety control for the AMES921005CNAA furnace and compatible Goodman/Amana models. This normally-closed thermal switch monitors temperature in the blower or burner area and opens the circuit to shut down the furnace if it senses an overheat or flame-rollout condition, protecting the heat exchanger and surrounding cabinet.
OEM vs. Generic: Limit switches are color-coded to specific trip temperatures. The OEM 0130F00038 guarantees the exact rated set point and mounting bracket for your furnace. Substituting a generic switch with the wrong trip temperature can cause nuisance shutdowns or, worse, fail to protect the appliance.
Install Difficulty: Easy — remove two mounting screws and two spade connectors, then swap. Always disconnect power first and never bypass a safety limit. If the new switch trips immediately, investigate the underlying overheat cause (blocked airflow, dirty filter, failed blower).