The Lennox 25U92 aluminum evaporator coil is a 2.5-ton upflow design engineered for high efficiency and long-term performance in modern HVAC systems using R-454B refrigerant. As part of the CK40/CK40UT-30B coil family, it delivers dependable heat transfer, improved corrosion resistance, and smooth integration with compatible air handlers and condensers. Its uncased configuration provides installation flexibility for custom or tight-fit applications.

 

Features:

• 2.5-ton cooling capacity for residential and light commercial systems
• Dedicated R-454B TXV for optimized refrigerant control
• Aluminum tubing and fin construction for enhanced durability
• Upflow configuration designed for efficient air distribution
• Uncased coil design for greater installation versatility
• Compatible with Lennox high-efficiency systems using R-454B refrigerant

 

Specifications:

• Catalog Number: 25U92
• Model: CK40 / CK40UT-30B
• Refrigerant: R-454B
• Configuration: Upflow
• Construction: Aluminum
• Capacity: 2.5 Ton
• Type: Uncased Evaporator Coil with TXV
• Application: Residential / Light Commercial