Product Type Suspended Horizontal Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Horizontal, Heating Method Steam, Water, Output @ 2 PSI Steam 84,000 BtuH, Output @ 200 F Water 61,000 BtuH, Air Flow 1.400 cfm, Fan Phase 1, Overall Height 24 1/4 in, Overall Width 20 7/8 in, Overall Depth 11 13/16 in, Amperage 2.2 A, Coil Type Header, Connection Size 1 1/4 in, Connection Type Threaded Female NPT, Fan Diameter 14 in, Fan Guard Type OSHA Compliant Guard, Flow Rate 6.1 gpm, Frequency 60 Hz