Description
The LB White Tradesman 400 Ultra LP Portable Forced Air Heater delivers powerful, high-output performance for large job sites and agricultural applications. With adjustable heat up to 400,000 BTU/hr, this heater is built to withstand harsh environments while providing dependable, directional heat.
Equipped with diagnostic service lights, a 3-trial ignition system, and heavy-duty internal components, the 400 Ultra is engineered for reliability and fuel efficiency.
Key Features
- 250,000400,000 BTU/hr adjustable output
- Propane (LP)
- 1,050 CFM airflow
- Industrial-strength fan motor
- 3-trial ignition system with self-diagnostics
- Diagnostic service light
- Variable heat control valve
- Thermostatic control for fuel efficiency
- Heavy-gauge combustion chamber
- Axial fan directs heated air in a single direction
- Tri-shield baked-on enamel coating
- Flanged male electrical inlet
- Electronic spark ignition
- Direct-fired efficiency (99.97%)
- CSA & ANSI certified
- 2-year manufacturer warranty
Specifications
- BTU/hr: 250,000400,000
- CFM: 1,050
- Fuel Consumption: 11.618.6 lbs/hr
- Inlet Gas Pressure: 5.5 PSIG
- Amps (Starting/Continuous): 4.0 / 1.3
- Dimensions: 34.5″ L x 12.5″ W x 21.5″ H
- Weight: 51 lbs
Includes regulator and gas hose.
Direct-fired heaters require proper ventilation. Always follow installation and operating instructions.






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