Hydronic Unit Heater Heater Type Water Only Fan Guard Type OSHA Output @ 200 F Water 24 800 BtuH Air Flow 580 cfm Motor HP 25W 1.2 Amps Inlet/Outlet NPT 3/8 In. Height 16 In. Width 18 In. Depth 8-3/4 In. Air Flow Direction Horizontal Coil Type Serpentine Voltage 115 60 Hz 1 Phase Max Operating PSI 75 Max Operating Temp 320 Degrees F Motor Enclosure Totally Enclosed Mounting Height 9 ft. Standards ETL Certified