RUUD® Packaged Heat Pump, Classic® Series, 4 ton Nominal Capacity, 48000 Btu/hr Cooling BTU Rating, 45518 Btu/hr Heating BTU Rating, 208-230 V Voltage Rating, 37 A Amperage Rating, 3/4 hp Indoor, 1/2 hp Outdoor HP Rating, 60 Hz Frequency Rating, 1 ph Phase, 1050 rpm Indoor, 1075 rpm Outdoor Rotational Speed, Scroll Compressor Type, 1600 cfm Rating, 13.4 SEER Rating, 6.7 HSPF Rating, 10.6 EER Rating, Horizontal Sideflow, Vertical Downflow Configuration, Connection Type: NPT, 3/4 in Connection, R-454B Refrigerant Type, 1 Number of Stages, 45 to 50 A Fuse Rating, 86 dB Sound Level, Direct Drive Type, 1-Row 7.13 sq-ft Indoor, 1-Row 15.52 sq-ft Outdoor Coil Rating, 20 FPI Indoor, 16 FPI Outdoor Fins per Inch, (4) 2 x 16 x 16 in Filter Size, Steel, Galvanized, 41-3/8 in H x 79-1/4 in W x 46-3/4 in D Dimensions, Standard Static Constant Torque Drive, Small Commercial Cabinet, Standard Efficiency, CoreCommand™ (Non-Communicating) Control Additional Information