Description
The International Comfort Products 1187941 is an OEM replacement L160-40F high-limit switch engineered to protect furnaces and heating equipment from dangerous overtemperature conditions. When supply-air temperatures exceed the rated setpoint, this limit switch interrupts the burner circuit, shutting down heat production and preventing heat exchanger damage, component failure, or potential fire hazards.
How It Works
The L160-40F designation defines the switch’s operating parameters: the switch opens (trips) at 160°F to cut burner operation, then automatically resets (closes) once temperatures fall by 40°F — returning the system to normal operation at approximately 120°F. This automatic-reset design minimizes downtime while ensuring the system cannot restart until safe temperatures are confirmed.
Key Features
- OEM replacement part for International Comfort Products (ICP) heating systems
- Opens at 160°F to protect against overheating
- 40°F differential — resets at approximately 120°F
- Automatic-reset operation for reliable, repeatable protection
- Direct drop-in replacement for fast, straightforward installation
- Designed to maintain furnace efficiency and extend equipment life
Applications
- ICP brand gas furnaces and air handlers
- Residential and light-commercial heating equipment
- Replacement of failed or out-of-spec high-limit switches
Why Choose OEM Replacement Parts?
Using a genuine International Comfort Products replacement limit switch ensures proper fit, accurate temperature calibration, and full compatibility with your existing control board and wiring. Aftermarket substitutes may not meet the precise trip-point tolerances required for safe, code-compliant operation.
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