Description
The Carrier HT32TC743 is a genuine OEM crankcase heater engineered to protect refrigerant compressors from the damaging effects of refrigerant migration during off-cycle periods. By maintaining a consistent temperature around the compressor crankcase, this heater prevents liquid refrigerant from mixing with the compressor oil — a leading cause of premature compressor failure and costly system downtime.
Designed for use in commercial and residential HVAC systems, the HT32TC743 delivers reliable, low-wattage heat to keep compressor oil at the proper viscosity and ensure safe, efficient startups in any season.
Key Features
- Genuine Carrier OEM replacement crankcase heater
- Rated at 40 watts for efficient, targeted heating
- 480V operating voltage for commercial system compatibility
- Prevents refrigerant migration into compressor oil during off cycles
- Protects compressor integrity and extends equipment service life
- Helps ensure smooth, reliable compressor startups
- Direct OEM fit for compatible Carrier equipment
Specifications
- SKU: HT32TC743
- Brand: Carrier
- Wattage: 40W
- Voltage: 480V
- Type: Crankcase Heater
Why Use a Crankcase Heater?
Crankcase heaters are a critical component in any system where the compressor may sit idle for extended periods, especially in colder climates. Without a crankcase heater, refrigerant can migrate into the compressor oil sump, causing oil dilution and potential compressor damage on startup. The Carrier HT32TC743 provides the steady, low-level warmth needed to keep your compressor protected and ready to perform.
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