Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 240 000 BtuH Output @ 200 F Water 174 000 BtuH Air Flow 3.500 cfm Fan Phase 1 Overall Height 30 1/4 in Overall Width 27 7/8 in Overall Depth 14 in Amperage 4.5 A Coil Type Header Connection Size 2 in Connection Type Threaded Female NPT Fan Diameter 20 in Fan Guard Type Standard Guard Flow Rate 17.4 gpm Frequency 60 Hz