Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 180 000 BtuH Output @ 200 F Water 118 000 BtuH Air Flow 2 200 cfm Fan Phase 1 Overall Height 29 in Overall Width 24 5/8 in Overall Depth 13 3/4 in Amperage 4.5 A Coil Type Header Connection Size 1 1/2 in Connection Type Threaded Female NPT Fan Diameter 18 in Fan Guard Type Standard Guard Flow Rate 11.8 gpm Frequency 60 Hz