Dickinson Newport Propane Direct Vent Heater Dimensions: 7.25" (D) x 10" (W) x 16" (H),Mounting Backplate: 9.875" (W) x 0.650" (D) x 23" (H) Fuel Consumption: 1 lb  5.5 hrs; 20 lb  110 hrs gal LOW | 1 lb  3.9hrs; 20 lb  78 hrs gal HIGH Heat Output: Low: 4,000 BTU | High: 5,500 BTU Included: heater, built in blower, stainless steel backing plate, 28 inches of flexible double stainless chimney and the deck fitting cap. Not included: A propane hose, 11" WC regulator and fittings. Safe, direct-vent operation easy to operate and install