Lennox 13Y52 Uncased Evaporator Repair Coil Assembly 2.5 Ton R-410A

The Lennox 13Y52 is a replacement evaporator coil assembly designed for 2.5-ton split-system air conditioning units. This uncased coil is part of the Merit CBX25UH series and is configured for upflow or horizontal installation. Also known by the manufacturer part number 615975-03, this repair coil provides an efficient solution for restoring cooling performance in residential HVAC systems.

Key Features:

• Copper construction for optimal heat transfer efficiency
• Includes TXV (Thermostatic Expansion Valve) for regulated refrigerant flow
• Designed for R-410A refrigerant systems
• Uncased design offers installation flexibility for specific requirements
• 3/4 inch suction line OD and 3/8 inch liquid line OD connections
• Pre-charged assembly with copper tubing for efficient heat exchange

This coil assembly functions as a heat exchanger, drawing heat from air blown through it by the evaporator fan and transferring that heat to the circulating refrigerant. The 13Y52 replaces several OEM part numbers including 13Y5201, 89W91, 89W9101, 615975-03, 61597503, and 76701004. Professional installation by a qualified HVAC technician is strongly recommended for proper refrigerant handling and system performance.