The Lennox 28H78 (OEM Part No. 107710-60) is a premium scroll compressor designed to meet the performance and efficiency demands of modern HVAC systems. This unit features the YA104K1E-TFD compressor, optimized for use with environmentally friendly R454B refrigerant and engineered for 460V three-phase power systems.

Key Specifications:

• Compressor Model: YA104K1E-TFD
• Refrigerant Type: R454B (Low-GWP, ASHRAE A2L class)
• Voltage: 460V
• Phase: 3-Phase
• Compressor Type: Scroll
• Cooling Capacity: Approx. 104,000 BTU/h
• Application: Commercial HVAC systems
• Mounting Configuration: Standard base
• Motor Protection: Internal overload protection
• Lubricant Type: POE (Polyolester) oil – compatible with R454B
• Connection Type: Sweat connections
• Operating Range: Optimized for high-efficiency performance in medium to high-temperature applications

Engineered for compatibility with Lennox commercial units, the 28H78 compressor ensures quiet operation, reduced energy consumption, and long-term reliability. Whether you're replacing a failed unit or upgrading to R454B-compatible components, this compressor offers a perfect fit and peace of mind.Available now at Beenimax – your trusted source for genuine Lennox HVAC parts.