Lennox 29A71 – C35 Uncased Evaporator Coil is an OEM cooling coil engineered for reliable performance in 4 to 5 ton residential and light commercial HVAC systems. Part of the Lennox Elite Series, this aluminum uncased evaporator coil is designed for upflow configurations and optimized for use with R-410A refrigerant.

Built with durable all-aluminum construction, the C35 coil delivers efficient heat transfer while helping reduce the risk of corrosion. It uses a factory-installed piston metering device matched for R-410A systems, ensuring proper refrigerant flow and consistent cooling performance. The uncased design allows for flexible installation in custom or replacement applications where a factory cabinet is not required.

With 7/8 inch suction and 3/8 inch liquid line connections, this Lennox evaporator coil integrates easily with compatible outdoor units and air handlers. Measuring 20 inches wide, 19.5 inches deep, and 25.875 inches high, it provides a compact footprint while maintaining strong airflow and capacity output.

Designed to meet OEM specifications, the Lennox 29A71 C35 evaporator coil is an ideal replacement or new installation option for contractors and homeowners looking to maintain system efficiency, reliability, and long-term performance.

Brand: Lennox
Catalog Number: 29A71
Model / Part Number: C35-50/60C-2
Series: Elite
Cooling Capacity: 4–5 Ton
Configuration: Upflow
Material: Aluminum
Type: Uncased Evaporator Coil
Refrigerant: R-410A
Metering Device: Piston
Dimensions (W × D × H): 20 in × 19.5 in × 25.875 in
Approximate Weight: 40 lb