Product Type Suspended Horizontal Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Horizontal, Heating Method Steam, Water, Output @ 2 PSI Steam 36,000 BtuH, Output @ 200 F Water 26,100 BtuH, Air Flow 550 cfm, Fan Phase 1, Overall Height 18 in, Overall Width 14 5/8 in, Overall Depth 9 3/8 in, Amperage 1.2 A, Coil Type Header, Connection Size 1 1/4 in, Connection Type Threaded Female NPT, Fan Diameter 10 in, Fan Guard Type OSHA Compliant Guard, Flow Rate 2.7 gpm, Frequency 60 Hz