Description
York S1-025-37399-480 Belt Type Crankcase Heater Overview
The York S1-025-37399-480 is a belt-type crankcase heater engineered to protect compressors from refrigerant migration and oil dilution during off-cycle periods. By maintaining the compressor crankcase at an elevated temperature, this heater prevents liquid refrigerant from accumulating in the oil, ensuring reliable startups and extending compressor service life.
Key Specifications
- SKU: S1-025-37399-480
- Heater Type: Belt Type (Wraparound)
- Voltage: 480 Volts
- Wattage: 70 Watts
- Diameter Range: 21.8″ – 29″
- Lead Length: 48″
- Brand: York
Product Features & Benefits
- Belt-style design wraps securely around the compressor crankcase for consistent, even heat distribution
- Wide diameter compatibility (21.8″ to 29″) fits a broad range of commercial compressor housings
- 480-volt rating suits commercial and light industrial HVAC applications
- 70-watt output delivers efficient heating without excessive energy consumption
- 48″ lead length provides installation flexibility and easy wiring access
- Helps prevent compressor damage caused by refrigerant flooding at startup
- Genuine York OEM replacement part for accurate fit and reliable performance
Application
This crankcase heater is designed for use with commercial HVAC compressors where refrigerant migration during the off-cycle is a concern. It is especially critical in low-ambient temperature environments where refrigerant tends to migrate toward the cooler crankcase. Always energize the crankcase heater prior to compressor startup to ensure oil integrity and system reliability.
Why Choose Jackson Systems?
Jackson Systems stocks genuine OEM York replacement parts to keep your HVAC systems running at peak performance. Our knowledgeable team is ready to help you find the right part for your application — fast shipping and competitive pricing on every order.
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