Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 48 000 BtuH Output @ 200 F Water 34 800 BtuH Air Flow 750 cfm Fan Phase 1 Overall Height 20 1/2 in Overall Width 17 1/8 in Overall Depth 11 7/16 in Amperage 1.4 A Coil Type Header Connection Size 1 1/4 in Connection Type Threaded Female NPT Fan Diameter 12 in Fan Guard Type OSHA Compliant Guard Flow Rate 3.5 gpm Frequency 60 Hz