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The Goodman 0130F00036 is a genuine OEM high-limit switch, identified by its pink temperature-code marking, for the ADSH800403AXAC furnace. Mounted on the heat-exchanger or blower housing, it opens the control circuit when supply-air temperature exceeds the safe set point, shutting off the burners to prevent overheating. The pink color code corresponds to a specific factory trip temperature — using the matching switch is essential for correct, safe operation.
The pink code sets a precise trip point matched to this furnace. This OEM Goodman switch guarantees the exact temperature rating and terminal layout. Generic substitutes with the wrong set point cause nuisance trips or fail to protect the heat exchanger.
Easy (1 of 3). Two spade terminals and two screws; typical replacement takes about 15 minutes. Shut off power and gas before servicing. Repeated tripping after replacement points to a restricted-airflow or blower problem that should be diagnosed.