RCSA - Replacement Uncased Coils for Air Handlers - R22Rheema® Indoor Coils are designed for use with Rheem outdoor units and are available for vertical upflow, horizontal left or horizontal right airflow. When matched with Rheem outdoor units, the coils provide a capacity range from 24,000 BTU to 54,500 BTU.Features Constructed of aluminum fins bonded to intergrooved copper tubing. Coils are tested at the factory with an extensive refrigerant leak check for improved quality control. Coils have sweat fitting refrigerant connections. Ideally suited for new installations or add on air conditioning.,/li> Condensate drain connections are 3/4" N.P.T. for ease of connection. Coils are A.R.I. certified for system application with variety of Rheem outdoor units. Condensate drain pan is constructed of high grade, heat resistant, corrosion free thermal setting material. Compatible with Germicidal Light System. Bi-Directional airflow eliminates the need to switch any internal components from horizontal left to right. Unique drain pan design maximizes application flexibility and condensate removal. For use in HKA, HLA and HSA Air Handlers