WeatherKing® Air Handler, WH1P Series, 4821ST Model, 4 ton Nominal Capacity, 48000 Btu/hr BTU Rating, 208-240 V Voltage Rating, 5.2 A Circuit, 7 A Minimum Circuit Amperage Rating, 14.06 kW Wattage, 3/4 hp Rating, 60 Hz Frequency Rating, 1 ph Phase, 1400 to 1600 cfm Rating, Upflow, Downflow, Horizontal Left or Right Configuration, 15 SEER Rating, Connection Type: 3/8 in Sweat Liquid, 7/8 in Sweat Vapor, R-410A Refrigerant Type, 15 A Fuse Rating, 20 x 20 in Filter Size, 1 Number of Stages, 2 Number of Speeds, PSC Motor Type, 0.7 kPa, Steel, Pre-Painted, 50 deg F Temperature Rating, 50-1/2 in H x 21 in W x 21-11/16 in D Dimensions