Description

The L.B. White Tradesman® 400 Ultra DF delivers massive heating power with 400,000 BTU/hr of high-efficiency, direct-fired heat using either liquid propane (LP) or natural gas (NG). Built for large-scale commercial and industrial applications, this dual-fuel heater offers maximum flexibility, rugged steel construction, and 99% fuel efficiency. With an enclosed flame, integrated thermostat, and heavy-duty portability, the Tradesman 400 Ultra DF is the ultimate solution for heating warehouses, construction sites, and other demanding environments.
  • 400,000 BTU/hr output delivers high-capacity heating for large jobsite and industrial spaces
  • Dual-fuel capability (LP or NG) offers fuel flexibility for changing jobsite needs
  • 99% fuel efficiency ensures clean, cost-effective heat with minimal emissions
  • Enclosed flame design enhances safety and supports consistent heat delivery
  • Integrated thermostat provides adjustable, precise temperature control
  • Spark ignition system ensures fast, reliable startups every time
  • Rugged powder-coated steel housing withstands harsh jobsite conditions
  • Durable frame with handle and wheel kit options for improved mobility
  • Ideal for construction sites, agricultural applications, tent heating, and rental fleets

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