Description
The International Comfort Products 1171481 Defrost Sensor is a genuine OEM replacement part engineered to maintain precise defrost cycle operation in compatible ICP heat pump systems. By accurately detecting coil temperatures, this sensor signals the defrost control board to initiate and terminate defrost cycles at the right time — preventing ice buildup, protecting system components, and maintaining peak heating efficiency.
Key Features
- Genuine OEM International Comfort Products replacement part
- Designed for accurate coil temperature detection during defrost cycles
- Helps prevent ice accumulation on outdoor heat pump coils
- Supports reliable initiation and termination of defrost cycles
- Direct OEM replacement for simplified installation
- Compatible with select ICP heat pump equipment
Why Defrost Sensor Accuracy Matters
A properly functioning defrost sensor is critical to heat pump performance in cold weather. When the sensor fails or reads inaccurately, the system may either over-defrost — wasting energy — or under-defrost, allowing ice to build up on the outdoor coil and reducing heating capacity. Replacing a faulty defrost sensor with a genuine ICP part restores proper system control and extends equipment life.
Product Details
- Brand: International Comfort Products (ICP)
- Part Number: 1171481
- Part Type: Defrost Sensor
- Application: Heat pump defrost cycle control







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