Description
The Carrier HT32BH855 is an OEM crankcase heater engineered to protect compressors in Carrier HVAC systems from the damaging effects of refrigerant migration. By maintaining the crankcase oil at an elevated temperature during off-cycle periods, this heater prevents liquid refrigerant from mixing with compressor oil — a leading cause of compressor failure and reduced system lifespan.
Why Crankcase Heaters Matter
During extended off-cycles or cold-ambient conditions, refrigerant can migrate into the compressor crankcase and dilute the lubricating oil. When the compressor restarts, this refrigerant-oil mixture can cause slugging, oil foaming, and accelerated wear. A properly functioning crankcase heater is a critical line of defense for compressor longevity.
Key Features
- OEM Carrier replacement crankcase heater — SKU HT32BH855
- Designed to prevent refrigerant migration into compressor oil during off-cycles
- Helps extend compressor service life and reduce costly failures
- Direct OEM replacement for compatible Carrier systems
- Reliable construction for consistent, long-term performance
Applications
- Carrier residential and light commercial HVAC systems
- Split-system air conditioners and heat pumps
- Compressor protection in low-ambient or cold-climate installations
Installation Notes
Always de-energize the system before replacing a crankcase heater. Allow adequate warm-up time after installation before starting the compressor. Consult the applicable Carrier service documentation for torque specifications and wiring requirements specific to your equipment model.
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