Electric Unit Heater, Fan Forced, 20 kW, Btu 68.2 x1000, Voltage 480, 60 Hz, 3 Phase, 24 Amps AC, Air Temp Rise 48 F, 1320 CFM, Height 21 3/4 In, Width 19 In, Depth 13 3/4 In, Max Mounting Height 12 Ft, Horizontal Air Throw 41 Ft, Vertical Mounting H 23 Ft, Housing Material 20 Gauge Steel, Neutral Gray Powdercoat Housing Finish, Vertical or Horizontal Mounting Position, Requires 5/16 in -18 Threaded Rod for Ceiling Installation, Agency Compliance UL / CUL #E154236