Rheem® Packaged Gas Electric Unit, RGEAYB Classic® Series, 048ACT081/X Model, 48000 Btu/hr Input BTU Rating, 65000 Btu/hr Output BTU Rating, 208/230 V Voltage Rating, 27 A Amperage Rating, 4.1 kW Wattage, 1 hp Rating, 1050 rpm Rotational Speed, 60 Hz Frequency Rating, 3 ph Phase, Scroll Compressor Type, 1600/1730 cfm Rating, 10.6 EER Rating, 13.4 SEER Rating, 81 % AFUE Rating, 3.5 ton Tonnage, 4 Number of Burners, 1 Number of Stages, R-454B Refrigerant Type, 77 dB Decibel Rating, Ducted Vent, Ducted or Ductless, Direct Spark Ignition Type, Direct Drive Type, 3.98 sq-ft Face Area, 1-Row, 20 FPI Coil Rating, 1/2 in Connection, 3/4 in Drain Connection, 24 x 24 x 1 in Filter Size, 35 A Fuse Rating, 82 % Steady State Efficiency, 35 to 65 deg F Temperature Rating, 41 in H x 47.5 in W x 52.44 in D Dimensions