Description
Trane OIL0078 POE Refrigeration Oil — 1 Quart
The Trane OIL0078 is a premium-grade Polyolester (POE) refrigeration oil formulated to meet the demanding lubrication requirements of modern HVAC and refrigeration compressors. POE oils are the industry-standard choice for systems operating with HFC refrigerants such as R-410A, R-404A, and R-134a, offering outstanding miscibility and thermal stability across a wide range of operating conditions.
Why POE Oil?
Polyolester refrigeration oils are specifically engineered for use in hermetic and semi-hermetic compressors found in residential and commercial HVAC systems. Unlike mineral oils, POE lubricants are fully miscible with HFC refrigerants, ensuring proper oil return throughout the refrigerant circuit, reducing compressor wear, and extending system service life.
Key Features & Benefits
- Genuine Trane OEM-quality POE refrigeration oil
- Convenient 1-quart packaging for field service and top-offs
- Excellent miscibility with HFC refrigerants (R-410A, R-404A, R-134a, and others)
- Superior thermal and chemical stability under high-temperature compressor conditions
- Helps minimize compressor wear and extend equipment service life
- Low pour point for reliable lubrication at low evaporator temperatures
- Helps maintain system efficiency by ensuring proper oil return
- Compatible with hermetic and semi-hermetic compressor designs
Typical Applications
- Residential and light commercial split systems and heat pumps
- Commercial refrigeration and air conditioning equipment
- Compressor oil charging and top-off during service calls
- Replacement oil after system repairs, filter drier changes, or refrigerant recovery
Important Usage Notes
POE oils are hygroscopic — they readily absorb moisture from the atmosphere. Always keep the container tightly sealed when not in use and minimize exposure to open air. Use proper refrigeration service practices, including a deep vacuum, when adding oil to a system to prevent moisture contamination.







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