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The Goodman 0130F00038 is a genuine OEM auxiliary limit switch (identified by its light-blue housing) engineered as a direct-fit replacement for the ADSH800403AXAB gas furnace and other compatible Goodman/Amana models. This normally-closed thermal safety control monitors temperature and opens the circuit if the furnace overheats, protecting the heat exchanger, blower, and surrounding components from heat damage.
Our OEM Goodman switch is factory-calibrated to the exact trip and reset temperatures your furnace's control board expects, ensuring reliable safety operation. Aftermarket generics often use looser tolerances that can cause nuisance lockouts or, worse, fail to trip. For a safety component, we always recommend the genuine OEM part.
Easy (1/5) — Typically a two-wire, single-fastener replacement. Always shut off power and gas before servicing. If you are unsure, consult a licensed HVAC technician.