20,000 BTU Natural Gas Blue Flame Vent Free Wall Heater, White

  
Natural Gas Ready (Fuel conversion not permitted). Blue Flame Technology works by converting heat to warm the air the same way as a central heating system. 10, 000-20, 000 BTU's/hr variable heat output for up to 700 sq.

Variable control knob offers the most customizable heat settings LOW - 10, 000 BTU MED - 15, 000 BTU HI - 20, 000 BTU. No electricity required allows for reliable back-up heating incase of an emergency situation. This model (BF20NMDG) has manual control and not thermostatically controlled. For thermostat control model please refer model - BFSS20NGT-2N.