Mr. Heater F299721 20,000 BTU Vent Free Blue Flame Natural Gas Heater

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