Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Steam Water Output @ 2 PSI Steam 280 000 BtuH Output @ 200 F Water 209 100 BtuH Air Flow 4 200 cfm Fan Phase 1 Overall Height 30 1/4 in Overall Width 27 7/8 in Overall Depth 17 3/4 in Amperage 5.4 A Coil Type Header Connection Size 2 in Connection Type Threaded Female NPT Fan Diameter 20 in Fan Guard Type OSHA Compliant Guard Flow Rate 21 gpm Frequency 60 Hz