The Lennox 11C43 Copeland ZR42K5E-TFD-800 scroll compressor is an OEM HVAC replacement compressor engineered for dependable cooling performance in compatible Lennox air conditioning systems. This 3.5-ton scroll compressor delivers a rated capacity of approximately 42,200 BTUH and is designed for use with R-22 refrigerant, providing smooth, efficient operation and long-term reliability in commercial and residential applications.

Operating on 460 VAC, 3-phase, 60 Hz power, the ZR42K5E-TFD-800 features Copeland’s proven scroll compressor design, which reduces vibration, lowers noise levels, and improves overall system efficiency compared to traditional reciprocating compressors. With a gross weight of 60.8 lb and a compact vertical form factor measuring 16.425 inches in height, this compressor is well suited for direct OEM replacement in existing HVAC equipment.

Lennox catalog number 11C43 replaces multiple earlier part numbers, making it a reliable solution when restoring system capacity, maintaining factory performance specifications, and extending the service life of the unit. Ideal for technicians and contractors seeking an exact-fit OEM compressor for Lennox systems requiring a 3.5-ton R-22 scroll compressor.