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L.B. White Boss 400DF Direct-Fired Dual-Fuel Heater

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Item Number: LB-BOSS400DF


Push big heat into large, wide open job sites and
warehouses with high CFM and 99% fuel efficiency.


  • Thermostatically controlled
  • Control Panel with Electronic ignition, diagnostics, volt meter
  • Vent only mode
  • Rust resistant case
  • Flat-free wheels
  • Stackable (also stacks on end)


    Item NumberLB-BOSS400DF
    Max BTU/Hr400,000
    FuelDual Fuel (LP / NG)
    Ignition TypeSpark
    Fuel Consumption (LP)18.5 LBS/Hr
    Fuel Consumption (NG)400 cu.ft./Hr
    Starting Amps27.2
    Continuous Amps7.1
    Voltage120 V
    Motor Horsepower1/2 HP
    L x W x H50" x 21.25" x 22.5"
    Weight125 LBS