Description
Trane HTR4907 Insertion-Type Crankcase Heater Overview
The Trane HTR4907 is a precision-engineered insertion-type crankcase heater designed to protect refrigerant compressors from refrigerant migration and oil dilution during off-cycle periods. By maintaining the crankcase oil at an elevated temperature, this heater prevents liquid refrigerant from accumulating in the compressor sump — a leading cause of compressor damage and premature failure. Built to Trane’s exacting OEM standards, the HTR4907 is a reliable drop-in replacement for compatible Trane systems.
Key Specifications
- SKU / Part Number: HTR4907
- Heater Type: Insertion
- Voltage: 230 Volts
- Wattage: 40 Watts
- Heater Diameter: 1/4″
- Insertion Length: 4-1/4″
- Lead Length: 64″
- Brand: Trane (OEM)
Features & Benefits
- Insertion-type design allows direct installation into the compressor crankcase port for efficient, targeted heat transfer
- 40-watt output at 230 volts provides consistent heating to prevent refrigerant migration during compressor off-cycles
- Compact 1/4″ diameter heater element fits standard crankcase heater ports found on many commercial and residential compressors
- 4-1/4″ insertion length ensures proper immersion depth for optimal thermal performance
- Generous 64″ lead length provides installation flexibility, allowing easy routing to the control panel or power source without extension wiring
- OEM Trane replacement part ensures compatibility and performance consistency with original equipment specifications
- Helps extend compressor service life by reducing the risk of liquid slugging and oil dilution at startup
Application
The HTR4907 is intended for use in HVAC and refrigeration systems where compressor crankcase protection is required. It is particularly important in climates or installations where the compressor may sit idle for extended periods, allowing refrigerant to migrate into the oil. Always verify compatibility with your specific Trane equipment model before installation. Consult your equipment service manual for proper installation procedures and torque specifications.
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