The Lennox 28B86 (part number 107710-39) is a factory-authorized replacement compressor featuring the Copeland YA51K1E-TFD scroll model, engineered for superior efficiency and long-term reliability. Designed for use with R454B refrigerant, this three-phase, 460V compressor supports environmentally conscious HVAC applications while maintaining optimal cooling performance.Key Specifications:

• Model: YA51K1E-TFD
• Refrigerant Type: R454B (low-GWP, HFO blend)
• Voltage: 460V
• Phase: 3-Phase
• Compressor Type: Scroll
• Displacement: Approx. 51.2 cc/rev
• Cooling Capacity Range: Designed for systems between 4–5 tons
• Motor Type: Hermetically sealed
• Application: Air conditioning & heat pump systems
• Mounting Type: Standard 4-point
• Oil Type: POE (Polyolester)
• Operating Temperature Range: Optimized for high ambient efficiency
• Certifications: UL recognized, RoHS compliant

This OEM Lennox compressor offers excellent compatibility, quiet operation, and high efficiency—making it an ideal replacement choice for R454B-converted or new Lennox systems.Available now at Beenimax.com – your reliable source for genuine Lennox HVAC components.