Product Type Suspended Horizontal Hydronic Wall Ceiling Unit Heater Air Flow Direction Horizontal Heating Method Water Output @ 200 F Water 35 900 BtuH Air Flow 850 cfm Fan Phase 1 Overall Height 18 1/2 in Overall Width 20 1/2 in Overall Depth 10 15/16 in Amperage 1.4 A Coil Type Serpentine Connection Size 3/8 in Connection Type SWT on Connection Fan Diameter 12 in Fan Guard Type OSHA Compliant Guard Flow Rate 3.6 gpm Frequency 60 Hz Heater Voltage 120 V AC