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The Goodman 0130F00036 is a color-coded pink high-limit switch for the Goodman/Amana ACES800403AXAA and compatible gas furnaces. This normally-closed thermal safety control monitors heat-exchanger temperature and opens the circuit to shut off the burners if the furnace overheats — protecting against a failed blower, clogged filter, or restricted airflow. The pink color denotes its specific factory trip temperature; using the matching color is essential for correct protection.
This genuine OEM Goodman switch is calibrated to the exact trip and reset temperatures your furnace requires — indicated by the pink housing. A generic or wrong-color limit switch may trip too early (nuisance shutdowns) or too late (a real safety hazard). Always match the OEM part and color.
Easy — Disconnect power, remove two mounting screws, transfer the wires, and install the replacement. A straightforward repair, but confirm the underlying overheat cause (airflow/filter) before returning the furnace to service. Plan 15–20 minutes.