Description
AAON P83900 Belt Type Crankcase Heater Overview
The AAON P83900 is a belt-type crankcase heater engineered to protect compressors from refrigerant migration and liquid slugging during off-cycle periods. Designed as a direct OEM replacement for AAON equipment, this heater wraps securely around the compressor crankcase to deliver consistent, targeted heat exactly where it’s needed.
Key Specifications
- SKU: P83900
- Brand: AAON
- Type: Belt (Wrap-Around)
- Voltage: 480V
- Wattage: 90W
- Diameter: 8″
Features & Benefits
- Belt-style design wraps around the compressor crankcase for uniform heat distribution
- Rated at 480 volts to match commercial HVAC system electrical requirements
- 90-watt output provides efficient, low-energy crankcase warming
- 8-inch diameter sizing fits standard compressor crankcases used in AAON rooftop and commercial units
- Prevents refrigerant from migrating into compressor oil during shutdown, reducing wear and extending compressor life
- Direct OEM replacement ensures proper fit and reliable performance
Application
The P83900 crankcase heater is ideal for use in commercial HVAC systems — particularly AAON rooftop units — where compressor protection during off-cycles is critical. By maintaining crankcase temperature above the refrigerant condensation point, this heater helps prevent costly compressor failures and unplanned downtime.
