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The 0130F00038 is an OEM auxiliary (secondary) limit switch used in Goodman and Amana gas furnaces, including the VMS80603AXAA variable-speed 80% AFUE furnace. This safety control opens the circuit and shuts down the burners if it senses abnormal heat build-up in the blower compartment or cabinet, protecting the heat exchanger and internal components from overheat damage. The light-blue color code identifies its factory trip temperature calibration — always match the color to guarantee correct protection.
Choosing the genuine OEM 0130F00038 ensures the exact trip point and mounting bracket the furnace was engineered around. Aftermarket "universal" limits may trip early (nuisance shutdowns) or late (unsafe), and often require bracket modification. For a safety device, OEM is the recommended choice.
Easy (1/5). Two-wire spade connection with a single mounting screw or clip. Turn off power at the furnace before servicing. Most homeowners can swap this in 10–15 minutes; if the switch keeps tripping, have a technician diagnose the underlying airflow or gas-valve fault.