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The Goodman 0130F00038 Auxiliary Limit Switch (identified by its light-blue body) is a genuine OEM high-temperature safety control for the Amana AMVC80604BNBD furnace and compatible Goodman/Amana models. This normally-closed thermal switch opens the control circuit if it detects abnormal heat in the blower or burner compartment, shutting down the furnace to prevent overheating damage. Using the exact OEM trip rating is critical — a mismatched limit can nuisance-trip or, worse, fail to protect the equipment.
Limit switches are color-coded to a specific trip temperature. The OEM 0130F00038 guarantees the precise open/close set points your furnace was engineered around. Generic limits with an unverified rating are a safety risk and are not recommended for this application.
Easy. Two mounting screws and two spade terminals. Shut off power, note wire positions, swap the switch, and restore power. Because it is a safety device, verify the color/rating matches the original before installing.
Disconnect power before servicing. Never bypass a limit switch.