Heating Coil Fluid Type Hot Water Air Flow 1200 cfm Flow Capacity 3.9 gpm Casing Length 24-3/8 In. Casing Depth 6 In. Casing Height 12-1/8 In. Face Area 2 sq. ft. Supply and Return Connection 3/4 In. Connection Type MPT Copper Number of Feeds 1 Casing Type Slip and Drive Casing Material 16 ga. Galvanized Steel Number of Rows 1 Coils Per Bank 1 Fin Type Sine Fin Material Aluminum Fin Length 24 In. Fin Thickness 0.006 In. Fin Height 12 In. Fins per Inch 10 Tube Material Copper