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Tradesman 400 Ultra DF | 250,000 - 400,000 BTU/Hr | LP/NG | w/ Diagnostic Light

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.

SKU: GWG311070

Manufacturer Part Number: Tradesman 400 Ultra DF

Brand: L.B. White

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Features and Benefits

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
CSA certified for safe operation in ventilated indoor or outdoor environments
Ideal for construction sites, agricultural applications, tent heating, and rental fleets

Features + Benefits
Specifications
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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
CSA certified for safe operation in ventilated indoor or outdoor environments
Ideal for construction sites, agricultural applications, tent heating, and rental fleets

Product Specifications