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The Goodman 0130F00038 is a genuine OEM auxiliary high-limit switch, identified by its light-blue body, for the Amana/Goodman AMVC80604BNBC furnace. This normally-closed thermal safety switch monitors temperature at a critical point in the furnace and opens the control circuit if it detects an overheat condition — shutting the burners down to prevent damage and unsafe operation. A tripped or failed auxiliary limit is a common cause of no-heat calls and safety lockouts.
The color code on these switches indicates a specific trip temperature — substituting a generic limit with the wrong rating defeats the safety design and can allow dangerous overheating or cause constant nuisance trips. This OEM light-blue 0130F00038 carries the exact factory trip point for the AMVC80604BNBC, preserving the intended safety margin.
Easy. Disconnect power, unplug the two spade terminals, remove the mounting screws, and install the replacement in the same orientation. No gas work is involved. If the switch keeps tripping after replacement, have a technician investigate the underlying airflow or heat-exchanger cause.