Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 120 000 BtuH Output @ 200 F Water 87 100 BtuH Air Flow 1 900 cfm Fan Phase 1 Overall Height 25 1/4 in Overall Width 20 7/8 in Overall Depth 13 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 8.8 gpm Frequency 60 Hz