Product Type Suspended Vertical Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Vertical, Heating Method Steam, Water, Output @ 2 PSI Steam 152,000 BtuH, Output @ 200 F Water 105,200 BtuH, Air Flow 2,220 cfm, Fan Phase 1, Overall Height 13 5/8 in, Overall Width 29 1/2 in, Overall Depth 29 1/2 in, Amperage 2.3 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 10.84 gpm, Frequency 60 Hz