Description
The Carrier HT32BH857 is an OEM crankcase heater engineered to protect the compressor in compatible Carrier heating and cooling systems. By keeping the compressor crankcase warm during off cycles, this heater prevents refrigerant migration into the compressor oil — a leading cause of compressor damage and premature failure.
Why Crankcase Heaters Matter
During extended off periods, refrigerant can migrate from the refrigerant circuit into the compressor oil sump. When the system starts, this refrigerant-oil mixture can cause slugging, oil foaming, and accelerated wear on compressor components. The HT32BH857 crankcase heater maintains the crankcase at an elevated temperature to keep refrigerant in vapor form and out of the oil, ensuring reliable startups and extending compressor service life.
Key Features
- OEM Carrier replacement crankcase heater
- Designed for direct fit on compatible Carrier compressor models
- Prevents refrigerant migration into compressor oil during off cycles
- Helps protect against compressor slugging and oil foaming
- Supports longer compressor service life and system reliability
- Manufactured to Carrier OEM specifications
Application
- Compatible with select Carrier residential and light commercial HVAC equipment
- Intended as a direct OEM replacement part — always verify compatibility with your specific Carrier model before ordering
Installation Notes
Installation should be performed by a qualified HVAC technician. Always de-energize the system before servicing. Consult the Carrier equipment service manual for proper installation procedures and torque specifications specific to your unit.
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