Description
The Trane HTR09479 is a genuine OEM crankcase heater engineered to protect compressor integrity in Trane HVAC systems. Operating at 460 volts and rated at 90 watts, this crankcase heater maintains oil temperature during compressor off-cycles, preventing refrigerant from migrating into and diluting the compressor oil — a leading cause of compressor damage and premature failure.
By keeping the crankcase oil warm, this heater ensures proper lubrication is available the moment the compressor starts, extending equipment life and reducing costly service calls. It is a critical component for commercial and light-commercial Trane systems operating in environments where extended off-cycle periods are common.
Key Features
- Genuine Trane OEM replacement crankcase heater
- Rated voltage: 460V
- Power rating: 90 watts
- Prevents refrigerant migration into compressor oil during off cycles
- Maintains proper oil viscosity for reliable compressor startup
- Helps extend compressor service life and reduce maintenance costs
- Direct OEM replacement for compatible Trane equipment
Why Crankcase Heaters Matter
During prolonged shutdown periods, refrigerant can migrate to the compressor crankcase and mix with the lubricating oil. When the compressor restarts, this diluted oil fails to provide adequate lubrication, leading to accelerated wear and potential compressor failure. The Trane HTR09479 crankcase heater eliminates this risk by continuously warming the oil sump, keeping refrigerant in the vapor state and away from the oil supply.
Application
- Designed for use with compatible Trane commercial HVAC systems
- Ideal for installations in climates with wide temperature swings or seasonal shutdowns
- Suitable for systems where compressor protection is critical to uptime
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