Lennox 11C36 is a factory-specified scroll compressor manufactured by Copeland, model ZR42K5E-PFV-800. It is designed for R-22 air conditioning systems and delivers reliable performance in residential and light commercial HVAC applications where durability and efficiency are critical.

This compressor features Copeland scroll technology, which provides smooth, quiet operation, improved reliability, and reduced mechanical wear compared to traditional reciprocating compressors. With a nominal capacity of 42,200 BTUH and an efficiency rating of 11.3 EER, it is well-suited for maintaining consistent cooling performance in compatible Lennox and other OEM systems.

Rated for 208-230 VAC, single-phase, 60 Hz power, the ZR42K5E-PFV-800 is commonly used as an OEM replacement compressor where R-22 refrigerant is required. Proper installation by a licensed HVAC professional is recommended to ensure correct application, oil management, and long-term system reliability.

 

Specifications:

Cooling capacity: 42,200 BTUH
Compressor type: Scroll
Refrigerant: R-22
Efficiency rating: 11.3 EER
Voltage: 208-230 VAC
Phase: 1 phase
Frequency: 60 Hz
OEM reference: Lennox 11C36
Manufacturer model: Copeland ZR42K5E-PFV-800