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The 0130F00038 is a genuine Goodman/Amana auxiliary high-limit switch (identified by its light-blue housing) engineered as a direct-fit safety control for the Amana AMH80604BXBC 80% AFUE gas furnace. This normally-closed thermal switch monitors heat-exchanger and blower-compartment temperature and opens the 24V control circuit if it detects an overheat condition — protecting the furnace from restricted airflow, a failed blower, or a plugged filter.
The OEM 0130F00038 is calibrated to the exact factory trip point for this cabinet — critical for a safety device, since an incorrect cutout temperature can cause nuisance shutdowns or fail to protect the heat exchanger. Generic universal limit switches may match the terminals but rarely match the calibrated set-point, so we recommend OEM for any safety-circuit component.
Easy (1/5). Two mounting screws and two spade terminals. Always shut off power and gas at the furnace before servicing. Typical replacement time is under 15 minutes for a qualified technician.