Heil 1320381 Furnace Limit Switch 150 Degree L150-40

The Heil 1320381 is an OEM replacement limit switch rated at 150 degrees Fahrenheit (L150-40F) designed for residential gas furnaces. This critical safety component is engineered to monitor and control furnace temperature, automatically shutting down the unit if temperatures exceed safe operating limits to prevent equipment damage and potential hazards.

Key Features:

• 150-degree Fahrenheit temperature rating for reliable overheat protection
• Direct OEM replacement for multiple ICP brands including Heil, Tempstar, Comfortmaker, Arcoaire, and Day & Night
• Also replaces part numbers 20604L63-22 and 1176271
• Designed to prevent temperature or pressure from exceeding equipment ratings
• Compatible with a wide range of residential furnace models

This genuine OEM limit switch ensures your furnace operates safely by monitoring heat exchanger temperature and preventing dangerous overheating conditions. When the set point is reached, the switch opens to interrupt power to the burner, protecting both the equipment and your home.