Product Type Suspended Vertical Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Vertical, Heating Method Steam, Water, Output @ 2 PSI Steam 386,000 BtuH, Output @ 200 F Water 280,800 BtuH, Air Flow 6.140 cfm, Fan Phase 3, Overall Height 17 5/8 in, Overall Width 37 1/2 in, Overall Depth 37 1/2 in, Amperage 3.2 A, Coil Type Rectangular, Connection Size 2 in, Connection Type Threaded Male NPT, Fan Diameter 25 1/4 in, Fan Guard Type No Guard, Flow Rate 28.94 gpm, Frequency 60 Hz