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The 0130F00038 is a genuine OEM auxiliary limit switch — identified by its light-blue color code — for the Goodman/Amana AMVC801005CXAB gas furnace. This normally-closed thermal safety switch monitors cabinet temperature and opens the control circuit if the furnace overheats due to restricted airflow, a failed blower, or a dirty filter. When it trips it shuts down heating to protect the heat exchanger and surrounding components. A switch that has failed open, weakened, or nuisance-trips should be replaced with the exact color-coded, temperature-rated OEM part.
Limit switches are matched to a specific trip and reset temperature — the color code matters. Installing a generic switch with the wrong rating can either fail to protect the furnace or nuisance-trip constantly. This genuine OEM light-blue switch guarantees the correct factory temperature setpoint.
Easy (2/5). Shut off power, unplug the two wire terminals, remove the mounting screws, and install the matching-color OEM switch in the same location.