Description
The York 025-37852-000 is a genuine OEM crankcase heater engineered to protect compressor reliability in York HVAC systems. Crankcase heaters are a critical line of defense against refrigerant migration — a condition where liquid refrigerant accumulates in the compressor crankcase during off cycles, diluting the lubricating oil and causing premature wear or catastrophic compressor failure on startup.
How It Works
By maintaining a consistent warmth around the compressor crankcase, this heater keeps the oil temperature above the refrigerant’s condensation point, ensuring that refrigerant remains in the vapor phase and does not mix with the oil. This is especially important in low-ambient or seasonal-shutdown applications where compressors are exposed to cold temperatures for extended periods.
Product Specifications
- Brand: York (OEM)
- Part Number: 025-37852-000
- Voltage: 120V
- Wattage: 120W
- Type: Crankcase Heater
- Application: York residential and light commercial HVAC compressors
Key Benefits
- Genuine York OEM replacement part for assured fit and performance
- Prevents refrigerant migration into compressor oil during off cycles
- Reduces risk of compressor damage and costly failures on startup
- Extends compressor service life and protects system efficiency
- Easy drop-in replacement for qualified HVAC technicians
Application
Designed as a direct OEM replacement for York systems, this crankcase heater is the correct choice when servicing York equipment. Always verify compatibility with your specific unit model before installation. Proper crankcase heater operation should be confirmed during routine preventive maintenance visits.







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