Mr. Heater F299721 20,000 BTU Vent-Free Blue Flame Natural Gas Heater - Indoor Garage Workshop Heating Solution for Home & Office

This Blue Flame 20,000 BTU Natural Gas Vent Free heater is the perfect supplemental heating solution even on the coldest days. This heater is conveniently equipped with a thermostat for superior 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.

Features:

• 20,000 BTU per hour
• For use with Natural Gas
• Heats up to 700 sq. ft.
• Blue flame burner for even convection heat
• Thermostat for automatic temperature control
• Automatic low oxygen shut-off system (ODS)
• Legs and wall mounting hardware included
• Blower Fan Kit (F299201 Sold Seperately) - Available for 20K units and up only
• 4500 ft high altitude restriction