Product Type Suspended Vertical Hydronic Wall Ceiling Unit Heater Air Flow Direction Vertical Heating Method Steam Water Output @ 2 PSI Steam 65 500 BtuH Output @ 200 F Water 39 600 BtuH Air Flow 989 cfm Fan Phase 1 Overall Height 11 1/8 in Overall Width 21 1/4 in Overall Depth 21 1/4 in Amperage 2.1 A Coil Type Rectangular Connection Size 1 1/2 in Connection Type Threaded Male NPT Fan Diameter 13 1/2 in Fan Guard Type No Guard Flow Rate 4.08 gpm Frequency 60 Hz