Product Type Suspended Vertical Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Vertical, Heating Method Steam, Water, Output @ 2 PSI Steam 101,800 BtuH, Output @ 200 F Water 68,300 BtuH, Air Flow 1.490 cfm, Fan Phase 1, Overall Height 12 1/8 in, Overall Width 25 1/4 in, Overall Depth 25 1/4 in, Amperage 1.2 A, Coil Type Rectangular, Connection Size 1 1/2 in, Connection Type Threaded Male NPT, Fan Diameter 16 3/4 in, Fan Guard Type No Guard, Flow Rate 7.03 gpm, Frequency 60 Hz