The Lennox 13Y48 Air Handler Evaporator Coil is a replacement heat-transfer component designed for compatible Lennox air handler systems. It works by allowing refrigerant to absorb heat from indoor air as air passes across the coil, helping produce cool, conditioned air throughout the space. Used in residential and light commercial HVAC applications, this evaporator coil supports effi... https://www.partshnc.com/lennox-13y48-air-handler-evaporator-coil