Carrier P903-2301 POE Oil

The Carrier P903-2301 POE Oil is a high-performance polyolester (POE) lubricant specifically engineered for HVACR systems operating with HFC refrigerants. This 1-gallon (128 oz) container provides reliable lubrication for residential and commercial compressors, ensuring stability across a broad temperature range. As a synthetic refrigeration oil with a viscosity grade of ISO 32 (220 SSU), it maintains superior film strength to reduce component wear and extend the service life of internal hardware. While optimized for modern HFCs like R-410A and R-134a, this lubricant for HVAC compressors is also backwards compatible for system retrofits involving CFC and HCFC refrigerants. Utilizing OEM-approved HVAC compressor oil is critical for maintaining internal tolerances and ensuring efficient heat transfer. This Carrier refrigeration oil is formulated to handle the high solubility requirements of newer systems, preventing oil logging and ensuring proper return to the crankcase.

Key Benefits for Contractors:

• Universal HFC Compatibility: Engineered for peak performance with R-134a, R-404A, R-407C, and R-410A.
• Superior Thermal Stability: Maintains chemical integrity in high-discharge temperature environments to prevent sludge and varnish buildup.
• Optimized Miscibility: Ensures consistent oil return from the evaporator to the compressor, critical for system reliability.
• Retrofit Ready: Simplifies the transition from mineral oils during CFC/HCFC to HFC system conversions.
• OEM Approved: Meets the strict specifications of Carrier and other major compressor manufacturers to ensure precise lubrication.

Common Questions:

Can I mix Carrier P903-2301 with mineral oil?
No. POE oil is highly hygroscopic and has different chemical properties than mineral oil. When retrofitting, follow standard industry practices to ensure residual mineral oil is below 5% before charging with Carrier P903-2301.

Is this oil compatible with R-410A systems?
Yes, this polyolester oil for R-410A is specifically designed to handle the high pressures and solubility requirements of R-410A residential and commercial units.

How should I handle and store this lubricant?
Because POE oil absorbs moisture rapidly, keep the container tightly sealed until use. Use a specialized oil pump for charging to minimize atmospheric exposure.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.