Mr Heater F299721 Blue Flame 20000 Btu Natural Gas Vent Free Heater 75 Amp Hour 2 Farads with digital voltage

2 Farads with digital voltage display

Universal Trigger Output Module

Midrange Frequency: 700Hz-4kHz

Includes Bluetooth Wireless Audio Control Receiver

Fuse: 30A X 3

Mr Heater F299721 Blue Flame 20000 Btu Natural Gas Vent Free Heater 75 Amp Hour 2 Farads with digital voltageBlue Flame 20,000 Btu Natural Gas Vent Free Heater 20,000 Btu Per Hour For Use With Natural Gas Heats Up To 500 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 (F299200 Sold Separately) Available For 20K Units And Up Only 4500 Ft High Altitude Restriction Btu Per Hour 20,000 Heating Area (Sq Ft) 500 Tank