The Lennox 29A61 Elite C35 (C35-30A-2) un-cased aluminum upflow evaporator coil is an OEM indoor coil designed for reliable performance in residential air conditioning and heat pump systems using R-410A refrigerant. Rated for nominal 2.5-ton cooling capacity, this coil is engineered to pair correctly with compatible Lennox outdoor units and upflow furnaces or air handlers, ensuring proper airflow, heat transfer, and system efficiency.

Constructed with an all-aluminum coil and fin design, the C35 series offers improved corrosion resistance compared to traditional copper tube coils, helping extend service life in a wide range of installation environments. The factory-installed piston metering device provides consistent refrigerant control when matched with approved Lennox systems, making this coil a dependable solution for replacements and new installations where a piston configuration is required.

As an un-cased evaporator coil, the Lennox 29A61 allows installation flexibility inside compatible furnace cabinets or custom plenums. Proper support and sealing during installation help maintain airflow integrity and prevent air leakage. This coil is commonly used in Elite series system matchups to preserve manufacturer performance specifications and system reliability.

 

Product Overview:

 

OEM Lennox Elite C35 series evaporator coil for residential HVAC systems
Designed for upflow installations with compatible furnaces or air handlers
Supports R-410A refrigerant systems
Nominal 2.5-ton cooling capacity
Un-cased design for flexible installation applications
Factory piston metering device
All-aluminum construction for durability and corrosion resistance

 

Specifications:

 

Brand: Lennox
Part Number: 29A61
Series: Elite C35
Model: C35-30A-2
Cooling Capacity: 2.5 Ton (30,000 BTU nominal)
Refrigerant Type: R-410A
Metering Device: Piston
Coil Material: Aluminum
Configuration: Uncased
Airflow Direction: Upflow
Application: Residential air conditioning and heat pump systems