30,000 BTU Vent Free Blue Flame Natural Gas Heater up to 1000 square feet, U. S

  
30,000 BTU Vent Free Blue Flame Natural Gas Heater. 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet. Blue flame burner for even convection heat. Automatic low oxygen shut-off system (ODS). Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater. Theromostat, legs and wall mounting hardware. Not for use in bathrooms, bedrooms, or recreational vehicles. Thermostat for automatic temperature control. Can be wall mounted or freestanding, feet and hardware are included. Clean burning blue flame tube burner uses convection heating to warm the air. Wire guard protects against contact with burner.