Rheem® Heat Pump, Classic™ RP16 Series, RP1648 Model, 208-230 V Voltage Rating, 31 A Amperage Rating, 255 W Power Rating, 1/4 hp Rating, 60 Hz Frequency Rating, 1 ph Phase, 850 rpm Rotational Speed, 48000 Btu/hr BTU Rating, 4600 cfm Rating, 12.5 EER Rating, 16 SEER Rating, Connection Type: Sweat, Scroll Compressor Type, R-410A Refrigerant Type, 3/8 in Liquid Line Size, 7/8 in Suction Line Size, 50 A Fuse Rating, 28.3 sq-ft Face Area, 20 FPI Coil Rating, Direct Drive Type, 4 ton Tonnage, 74 dBA Sound Level, 2 Number of Stages, Steel, Galvanized/Powder-Coated, 35-3/4 in L x 35-3/4 in W x 45 in H Dimensions, 1 Number of Rows Additional Information