Mr Heater F299721 Mr. Heater Vent-Free Blue Flame Gas Heater, Natural Gas, 20000 British Thermal Unit (BTU), 500 Square Foot Heating Area

Key Features

• Blue flame burner for even convection heat
• Thermostat for automatic temperature control
• Automatic low oxygen shut-off system

This blue flame 20,000 BTU natural gas vent-free heater is the ideal supplemental heating solution even on the coldest days. this heater is conveniently equipped with a thermostat for great control of the temperature in your space. also, with a battery-powered electronic ignition, starting it is a breeze - battery included. this unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. a clean burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air. with a factory standard oxygen depletion sensor (ods), rest assured this heater will provide you with years of comfortable and safe heat.