This LB White® Tradesman® 400 Ultra Dual Fuel Gas Forced Air Portable Heater operates from propane or natural gas with the turn of a selector value. Start-up is easy with a dependable electronic ignition and time-tested design. With a variable rate valve and thermostatic control, saves fuel and runs optimally at 250,000 to 400,000 BTU per hour.

Manufactured in Wisconsin from durable components to provide years of dependable performance. Made with the industry’s heaviest gauge combustion chamber, and Tri-shield™ coated case that protects against abrasion and corrosion.

Loaded with reliable safety features. Certified to CSA and ANSI standards. Backed by a two-year warranty and a lifetime of technical support.

Features & Benefits

• Easy to operate with a dependable 3-trial ignition system and diagnostic lights
• 99% direct-fired fuel efficiency boosted by variable output controls and thermostatic control
• Built to last with the industry’s heaviest gauge combustion chamber and burner plate, and Tri-shield™ coated steel case protects against abrasion and corrosion
• Can quickly switch from NG to LP
• Hose and regulator included

Specifications & Details

• BTU/HR Rating: 175,000 / 400,000
• Heated Air Output (CFM): 1,050
• Fuel Type: LP/NG
• Fuel consumption: LP gas min/ max (lb/hr) 11.6 / 18.6
• Fuel Consumption: NG gas min/max (cu. ft./hr) 175 / 400
• Inlet Gas Pressure: LP Gas 1.5 PSIG
• Inlet Gas Pressure: NG min/max 1.5 PSIG
• Amps (start/continuous): 4.0 / 1.3
• Service Saver (Self-Diagnostics): Yes
• L x W x H (in.) 34.5 x 12.5 x 21.5
• Shipping Weight: 55.0 lbs
• Case Material: Tri-Shield
• High Temp Safety Switch: Yes
• Air Flow Safety Switch: Yes
• Gas Pressure Regulator Standard (w/POL)
• Unit Mount Thermostat Standard
• Gas Hose Standard
• Certification U.S. Only