International Comfort Products 1013105 Auto Limit Switch 110-130°F

Part number 1013105 is an automatic reset limit switch used on gas furnaces, air handlers, and package units in residential natural gas heating applications. It opens at 130°F and closes at 110°F, providing automatic protection against overheating without requiring manual reset. The switch is a disc-style, SPST-NC (normally closed) design, non-programmable, with no display, and does not carry heat pump compatibility. It is intended as a direct OEM replacement component within the furnace control circuit. It is commonly used to address symptoms such as furnace overheating, unexpected shutdowns, failure to reach set temperature, or repeated limit switch tripping. Installation is rated DIY-friendly, and no EPA Section 608 certification is required for replacement.