Product Type Free-Standing Vented Gas Floor Heater Fuel Type Propane Cabinet Style Solid Face Heating Capacity Input 25 000 BtuH Heating Capacity Output 17 500 BtuH Thermostat Included Unit-Mounted Vent Diameter 4 in Overall Height 26 in Overall Width 37 in Overall Depth 18 3/8 in Safety Features Automatic Shut-Off of Main and Pilot Gas Air Flow Direction Horizontal Air Temperature Rise 160 Connection Size 1/2 in Connection Type NPT Floor to Center of Vent 18 3/16 in