Stainless Steel Natural Gas Patio Heater by Well Traveled Living Our Stainless Steel Natural Gas Patio Heater is one of the most powerful on the market, with an output of an amazing 45,000 BTU's. Constructed of stainless steel, this heavy duty unit features an Piezo ignition system and mounting plate for permanent installation. Unit has a 76 gas house which extends from the head unit to the base, with 15 exposed at base. This heater operates on natural gas, so there is no need to worry about changing out a propane tank during your outdoor gathering. This superior patio heater is perfect for the serious outdoor entertainer. Stainless Steel Construction, 45,000 BTUs, Piezo Ignition System, Durable Stainless Steel Burners Double Mantle Heating Grid, Tip Over Protection System, Heavy Duty Mounting Plate, Includes Connection Line, CSA Approved