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The Goodman 0130F00036 Limit Switch (Pink) is a genuine OEM high-limit safety control for the ADSS800403AXAA gas furnace. This thermally activated switch monitors heat-exchanger and plenum temperature and opens the circuit to shut off the burners if the furnace overheats — typically from restricted airflow, a dirty filter, or blower failure. The color coding (pink) identifies its specific trip temperature, so matching the OEM part is critical.
OEM vs. Generic: Limit switches are calibrated to a precise open/close temperature. The OEM Goodman pink switch guarantees the correct trip point and manual/auto-reset behavior. Installing a switch with the wrong temperature rating can either nuisance-trip or, worse, fail to protect the heat exchanger — never substitute by color alone from another brand.
Install Difficulty: Easy (1/3). De-energize the furnace, note wire positions, unscrew the switch, and install the exact replacement. If the original tripped, always diagnose and correct the underlying airflow problem before returning the furnace to service.