Mr Heater Blue Flame 20000 BTU Liquid Propane Vent Free heater

Blue Flame 20,000 BTU Liquid Propane Vent Free heater20,000 BTU per hourFor use with Liquid PropaneHeats up to 500 sq. ft.Blue flame burner for even convection heatThermostat for automatic temperature controlAutomatic low oxygen shut-off system (ODS)Legs and wall mounting hardware includedBlower Fan Kit (F299200 Sold Seperately) - Available for 20K units and up only4500 ft high altitude restrictionBTU per Hour 20,000Heating Area (Sq Ft) 500Tank Capacity (Min) 20# Propane CylinderRun Time (Hrs at Max BTU) 21.59Run Time (Hrs at Min BTU) NoFuel Consumption/Burn Rate (Gal/Hr) .926 lbs/hrElectricity Required NoMaximum Elevation (Ft) 4500Weight (Lbs) 26.75Model MHVFBF20LPTOversized NoLength 23.75Width 11.25Height 27Disclaimer Check local code for permitted uses. Not for use in bathrooms, bedrooms, or recreational vehicles. 4,500ft high altitude restriction. Propane cylinder must remain outdoors.Use Supplemental heat in cold rooms, Additions, Sun rooms, CabinsThermostat YesSafety Tip-Over Swi