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The Goodman 0130F00036 Limit Switch (Pink) is a genuine OEM safety control for Goodman and Amana AMH81005CXAA gas furnaces. This thermal high-limit switch opens the gas/blower circuit if the heat exchanger runs hotter than its rated set point — protecting your furnace and home from an overheat condition caused by a dirty filter, blocked ducts, or a failing blower.
Limit switches are color-coded by trip temperature, and the pink OEM 0130F00036 guarantees the exact set point the AMH81005CXAA was designed for. Substituting a generic switch with the wrong rating can cause nuisance trips or, worse, defeat overheat protection. On a safety component, always match OEM.
Easy (2/5) — 15 minutes: kill power, note the wire positions, remove two mounting screws, transfer the spade connectors, and reinstall. Confirm you are replacing like-for-like by color and part number.