Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 156 000 BtuH Output @ 200 F Water 113 000 BtuH Air Flow 2 600 cfm Fan Phase 1 Overall Height 27 3/4 in Overall Width 23 3/8 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 OSHA Compliant Guard Flow Rate 11.3 gpm Frequency 60 Hz