Description
The Copeland 918-0002-03 is an immersion-type crankcase heater engineered to protect refrigeration and air conditioning compressors from refrigerant migration and liquid slugging during off cycles. By maintaining crankcase oil temperature, this heater prevents refrigerant from mixing with compressor oil, ensuring reliable startups and extending compressor service life.
Key Features
- Immersion-type design for direct, efficient heat transfer into crankcase oil
- 120-volt operating voltage for compatibility with standard single-phase power supplies
- 100-watt heating capacity for consistent crankcase temperature maintenance
- 1/2″ diameter element for easy installation into standard crankcase ports
- 4″ insertion length provides optimal heat distribution within the crankcase
- Genuine Copeland OEM replacement part for assured fit and performance
Specifications
- Brand: Copeland
- Part Number: 918-0002-03
- Type: Immersion Crankcase Heater
- Voltage: 120V
- Wattage: 100W
- Element Diameter: 1/2″
- Insertion Length: 4″
Why Use a Crankcase Heater?
Crankcase heaters are a critical component in any refrigeration or air conditioning system. During extended off periods — especially in cold ambient conditions — refrigerant can migrate into the compressor crankcase and dilute the lubricating oil. When the compressor restarts, this refrigerant-oil mixture can cause slugging, bearing damage, and premature compressor failure. The Copeland 918-0002-03 immersion heater continuously warms the oil sump to prevent refrigerant migration, protecting your investment and reducing costly service calls.
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