Description
The International Comfort Products 1184421 is an OEM auto-reset high-limit switch engineered to protect furnaces and heating equipment from dangerous overheating conditions. When supply air temperatures exceed the rated threshold, this limit switch interrupts the burner circuit and automatically resets once temperatures return to a safe operating range — delivering reliable, hands-free protection without the need for manual intervention.
Key Features
- Auto-reset operation — automatically restores normal function once safe temperatures are reached
- 160°F trip / 180°F reset temperature range for precise high-limit protection
- Genuine OEM replacement part designed for International Comfort Products (ICP) heating systems
- Interrupts burner operation on high-temperature fault to prevent heat exchanger damage
- Direct drop-in replacement for simplified installation and reduced downtime
Product Specifications
- SKU: 1184421
- Brand: International Comfort Products (ICP)
- Type: Auto-Reset High-Limit Switch
- Trip Temperature: 160°F
- Reset Temperature: 180°F
- Reset Type: Automatic (AUTO)
Application
This limit switch is a direct OEM replacement for compatible International Comfort Products furnaces and air handlers. It is designed to monitor supply air or heat exchanger temperatures and shut down burner operation if an unsafe high-temperature condition is detected. The automatic reset feature makes it ideal for applications where nuisance service calls must be minimized while still maintaining critical equipment protection.
Why Choose an OEM Limit Switch?
Using a genuine ICP replacement limit switch ensures proper calibration, correct fit, and reliable performance within your specific equipment model. Aftermarket substitutes may not meet the same temperature accuracy or electrical ratings, potentially voiding equipment warranties or compromising system safety.







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