The Lennox 23U66 is a heavy-duty HVAC compressor engineered to deliver dependable, high-capacity cooling performance in demanding commercial and light-commercial applications. Designed to operate on 208/230V three-phase power, this unit provides the robust electrical compatibility required for commercial HVAC systems where single-phase power is not available or practical.
Key Features
- Cooling capacity of 30,300 BTUh for effective heat removal in medium-to-large systems
- 208/230V dual-voltage compatibility for flexible installation across a wide range of commercial electrical services
- Three-phase (3PH) operation for smoother, more efficient motor performance and reduced electrical stress
- Genuine Lennox OEM replacement compressor ensuring proper fit and function in compatible Lennox equipment
- Built to Lennox quality standards for long service life and consistent performance
Application
The 23U66 is an OEM-grade replacement compressor intended for use in Lennox commercial HVAC systems. Its three-phase design makes it well-suited for rooftop units, split systems, and other commercial cooling equipment where 208/230V three-phase power is the standard supply. Always verify compatibility with your specific Lennox equipment model before installation.
Specifications
- Brand: Lennox
- Part Number: 23U66
- Voltage: 208/230V
- Phase: 3-Phase (3PH)
- Cooling Capacity: 30,300 BTUh








