RUUD® Heat Pump Packaged Unit, Achiever® Series, RHPBYB Model, 4 ton Nominal Capacity, 48000 Btu/hr Cooling BTU Rating, 26250 Btu/hr, 45120 Btu/hr Heating BTU Rating, 208/230 V Voltage Rating, 37 A Amperage Rating, 4.3 kW Wattage, 3/4 hp, 1/2 hp Rating, 60 Hz Frequency Rating, 1 ph Phase, 1050 rpm, 1075 rpm Rotational Speed, Scroll Compressor Type, 4400 cfm Rating, 13.4 SEER Rating, 6.7 HSPF Rating, 10.6 EER Rating, Horizontal Configuration, 1 in Connection, R-454B Refrigerant Type, 1 Number of Stages, 50 A Fuse Rating, 85 dBA Sound Level, Direct Drive Type, 5.8 sq-ft, 26.9 sq-ft Coil Rating, 13 FPI, 18 FPI Fins per Inch, 24 x 24 x 1 in Filter Size, 37-1/8 in H x 59 in W x 33 in D Dimensions, Base Tier, Constant Torque Drive Additional Information