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The Goodman 0130F00036 is a genuine OEM high-limit safety switch — identified by its pink housing/temperature code — for the Goodman/Amana VDS80804BXAA gas furnace. Mounted on the heat exchanger or blower deck, it continuously monitors furnace temperature and opens the burner circuit if the unit overheats due to restricted airflow, a dirty filter, or blower failure. This auto-reset switch closes again once temperatures return to normal, protecting the heat exchanger from damage and preventing unsafe operation.
Limit switches are calibrated to a specific trip temperature — the color code matters. A generic switch with the wrong setpoint can nuisance-trip or, worse, fail to protect the heat exchanger. This genuine OEM Goodman switch is factory-set to the exact temperature and bracket profile your furnace requires.
Easy (DIY-friendly). Shut off power, note the two wire leads, remove the mounting screws, and install the replacement in the same orientation — about 15 minutes. If a limit switch keeps tripping, correct the underlying airflow problem (clogged filter, blocked ducts, or a weak blower) rather than repeatedly replacing the switch.