Product Type Suspended Vertical Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Vertical, Heating Method Steam, Water, Output @ 2 PSI Steam 210,200 BtuH, Output @ 200 F Water 139,700 BtuH, Air Flow 3,200 cfm, Fan Phase 1, Overall Height 16 in, Overall Width 29 1/2 in, Overall Depth 29 1/2 in, Amperage 3.6 A, Coil Type Rectangular, Connection Size 2 in, Connection Type Threaded Male NPT, Fan Diameter 19 3/4 in, Fan Guard Type No Guard, Flow Rate 14.4 gpm, Frequency 60 Hz