Are you ready to heat your backyard? This industrial grade outdoor gas heater puts out a whopping 40,000 BTUs of heat, and can cover a 20ft diameter with warmth. This radiant heater is perfect for large gatherings in your backyard, after the sun has gone down. Fire this gas patio heater up and you can keep your outdoor activities going until the sun comes back up. The heavy gauge construction keeps this patio heater around for years and years. Hidden wheels, under the base of the outdoor heater, make it easy for you to move it around, to wherever its heat is needed. A latched cabinet hides the natural gas supply, while the push button electronic ignition makes this outdoor gas heater easy to light and use. As a safety feature, this natural gas patio heater has a tilt shutoff valve so that in case it falls over; the gas is shut off, reducing the risk of fire. Some Assembly Required. Natural gas is a lighter-than-air gas that dissipates when released into the air. It does not burn as hot as other gases, but it costs much less. It must be piped to an appliance from gas service lines.