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The 0130F00038 is the OEM auxiliary limit switch — identified by its light blue color code — for the Goodman/Amana AMEC800603BXAB gas furnace. This secondary thermal safety supplements the primary high-limit, opening to shut down the furnace if it detects an over-temperature or flame-rollout condition near the burner box or blower compartment. The color code corresponds to a specific factory trip temperature, so matching the correct switch is essential.
OEM vs. Generic: The genuine 0130F00038 is calibrated to the exact temperature that the light-blue code represents and fits the original bracket. Substituting a different color/trip switch can either fail to protect or nuisance-trip the furnace. On a safety device, always match the OEM color and part number.
Install difficulty: Easy (2 of 5). Disconnect the spade terminals, remove the mounting screws, and install the replacement in the same orientation. Disconnect power first; if the switch had tripped, diagnose and correct the root overheat/rollout cause before restarting.