Electric Wall & Ceiling Unit Heater, Overall Height 21 3/4 in, Overall Width 19 in, Overall Depth 12 3/4 in, Air Flow 1,320 cfm, Air Temp. Rise 48 Degrees F, Voltage 208/240V AC, 3 Phase, Wattage Output 15 kW, 20 kW, Heating Method Fan Forced, Heating Capacity 51,195/68,260 BtuH, Mounting Location Ceiling, Wall, Horizontal Air Throw 41 ft, Frequency 50/60 Hz, Amperage 41.2A/48A, Control Type Mechanical Selector Dial, Contactor Coil Voltage 24V AC, Housing Color Beige