Description
Rheem-Ruud 44-101884-05 Belly Band Crankcase Heater Overview
The Rheem-Ruud 44-101884-05 is an OEM belly band crankcase heater engineered to protect refrigeration and air conditioning compressors from refrigerant migration during off-cycle periods. By maintaining the compressor crankcase at an elevated temperature, this heater prevents liquid refrigerant from accumulating in the oil sump — a leading cause of compressor damage, oil dilution, and premature failure on startup.
Key Specifications
- SKU: 44-101884-05
- Brand: Rheem-Ruud
- Wattage: 40W
- Voltage: 230V
- Heater Style: Belly Band (wrap-around)
- Type: Crankcase Heater (CC)
Features & Benefits
- Belly band design wraps securely around the compressor body for maximum heat transfer and reliable contact
- 40W output provides consistent, efficient crankcase warming without excessive energy draw
- 230V rating compatible with standard single-phase commercial and residential HVAC systems
- OEM Rheem-Ruud replacement part ensures proper fit and performance for compatible equipment
- Helps prevent refrigerant migration and oil dilution during compressor off cycles
- Reduces risk of compressor slugging and bearing damage on startup
- Direct OEM replacement eliminates compatibility guesswork
Application
Designed as a direct OEM replacement for Rheem and Ruud residential and light commercial air conditioning and heat pump systems. Always verify compatibility with your specific equipment model before installation. Consult the equipment service manual for proper installation procedures and wiring requirements.







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