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L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light

  • New Arrival

L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light

Item # 617986599

L.B. White L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light
L.B. White L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light
Highlights
  • Maximum BTU Heat Output:400000 BTU/h
  • Heater Area Heated:5000 Sq ft
  • Power Type:Dual Fuel
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$1569.99
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  • New Arrival

L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light

Item # 617986599

L.B. White L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light
L.B. White L.B. White Tradesman 400 Ultra DF 250,000 - 400,000 BTU/Hr LP/NG with Diagnostic Light
Highlights
  • Maximum BTU Heat Output:400000 BTU/h
  • Heater Area Heated:5000 Sq ft
  • Power Type:Dual Fuel
View more details

$1569.99
or
or
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$66/mo.†  suggested payments with 24 Months Financing or earn $78 in Rewards+ on this purchase.
Valid 11/02/2026 - 11/29/2026

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The L.B. White Premier 170 DF is a dual-fuel (LP or NG) direct-fired portable heater delivering 170,000 BTU/hr of clean, enclosed-flame heat for tough commercial and industrial environments. Built with safety, durability, and efficiency in mind, the Premier 170 DF offers ductable, high-volume heat with quiet operation below 70 dB and 99% fuel efficiency. Coated with Tri-Shield for superior protection, this unit is perfect for construction sites, tents, and temporary workspaces that demand dependable heating performance in any season.

  • 170,000 BTU/hr heat output delivers powerful, high-volume heating for large workspaces
  • Dual-fuel capability supports LP or natural gas for jobsite flexibility
  • Enclosed flame design improves safety and allows for heat ducting up to 12 inches
  • Tri-Shield powder-coated steel housing resists rust, corrosion, and impact damage
  • Quiet operation under 70 dB meets OSHA sound level requirements for indoor use
  • 99% fuel efficiency provides reliable, cost-effective performance
  • Compact footprint fits through 36-in. doorways for easy jobsite access
  • Built-in thermostat, gas hose, and electrical inlet simplify installation and use
  • Integrated vent mode offers fan-only operation for non-heated air circulation
  • Designed for rugged environments including construction sites, event tents, and temporary enclosures

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