Description
York S1-025-39903-000 Crankcase Heater Overview
The York S1-025-39903-000 is a 460-volt, 70-watt crankcase heater engineered as a genuine OEM replacement for compatible York HVAC systems. Crankcase heaters are a critical compressor protection component — they maintain the temperature of the compressor oil sump during off-cycles, preventing refrigerant from migrating into and diluting the lubricating oil. This helps ensure reliable compressor startups, reduces wear, and extends the service life of the refrigeration system.
Key Features
- Genuine York OEM replacement part — ensures proper fit and performance
- Operating voltage: 460V
- Wattage: 70W
- Prevents refrigerant migration into compressor oil during off-cycles
- Protects compressor from oil dilution and slugging on startup
- Helps extend compressor service life and maintain system efficiency
- Direct replacement for York equipment requiring part number S1-025-39903-000
Application
This crankcase heater is designed for use with York commercial and residential HVAC equipment. Always verify compatibility with your specific unit’s model number before installation. Proper installation and operation of a crankcase heater is especially important in colder climates or when equipment experiences extended off-cycle periods.
Specifications
- Brand: York
- Part Number: S1-025-39903-000
- Voltage: 460V
- Wattage: 70W
- Type: Crankcase Heater
