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Restore safe, reliable operation to your Goodman/Amana AMH80803BXBB gas furnace with this genuine OEM auxiliary (rollout/high) limit switch. The light-blue trip color identifies its factory temperature rating, and this control is the exact part specified for your furnace — no guessing, no adapters, no rewiring. The auxiliary limit is a normally-closed thermal safety that interrupts the gas/blower circuit if the heat-exchanger area exceeds its safe operating temperature, protecting against overheating from a failed blower, dirty filter, or blocked ductwork.
Generic limit switches often carry mismatched trip temperatures and terminal spacing, which can cause nuisance lockouts or fail to trip at the correct threshold. This OEM 0130F00038 is calibrated to Goodman's engineering spec, guaranteeing the correct cutout temperature and a clean, warranty-safe fit.
A simple two-wire, two-screw swap for most homeowners. Shut off power and gas at the furnace, note the wire positions, unscrew the old switch, transfer the wires, and mount the replacement. Typical time: 10–15 minutes. If you are unsure why the original tripped, have the airflow and heat exchanger inspected before running.