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The Goodman 0130F00038 Auxiliary Limit Switch (Light Blue) is a genuine OEM combustion safety control for the AMVC81005CXAA gas furnace. This normally-closed reset switch monitors for abnormal heat in the burner or blower compartment. If temperatures exceed the rated trip point — from a rollout condition, blocked airflow, or blower failure — the switch opens the control circuit and shuts down the gas valve to prevent damage and hazard. The light-blue body color identifies its specific temperature rating.
Auxiliary limits are color-coded by trip temperature for a reason. The OEM 0130F00038 carries the exact set point your furnace was certified with. Substituting a switch of a different rating can defeat the safety design or cause nuisance trips. For a life-safety device, always match the OEM color and part number.
Rated 2 of 5. Disconnect power, remove two mounting screws, transfer the spade connectors, and reinstall. Verify the switch seats flat against its mounting surface for accurate temperature sensing.
Ships new and exact-fit for the AMVC81005CXAA and related 0130F-series models.