Heat Wagon DG250 Direct-Fired Ductable Heater
L.B. White Journeyman 360 Heater Propane/NG

L.B. White Premier 350 Heater


The L.B. White Premier 350 Heater is powerful dual-fuel 350,000 BTU enclosed flame box-style heater; includes regulator, gas hose, and thermostat. For quantity discounted pricing, contact our offices at 833-401-3569 or email [email protected] for a custom quote.

  • Ships via truck freight to commercial dock.
  • Additional shipping charges will apply for liftgate, rural, limited access and residential delivery.

Duct Kit Duct Kit includes a 18" x 12' section of High-temp ducting, and 18" Duct Adapter to connect to heater.

End Diffuser End Diffuser for multi-directional heat distribution


Add-ons total:


The L.B. White Premier 350 Heater is mobile, powerful dual-fuel 350,000 BTU enclosed flame box-style heater, part of the world-renown Premier Series Heater line. It can be used as temporary heat in a variety of applications, including events, construction projects, and warehouses. The machine and its components are powered 120v single-phase power, and can operate using 100 lb cylinders (for prolonged use a 500 gallon tank or greater is recommended) or natural gas supply.

Additional key features of the L.B. White Premier 350 Heater:

  1. Durable Construction: The heater is built to withstand harsh working conditions and is made from sturdy materials that can endure rough handling and outdoor environments. The Premier 350 systems are painted with a Tri-Shield system of 3 unique coatings for long-lasting protection.
  2. Dual-Fuel– Operates on both natural gas and propane.
  3. Efficient Heat Output: The heaters are designed to deliver a significant heat output while maximizing fuel efficiency, helping to reduce operating costs.
  4. Easy Operation: The heaters are engineered with user-friendly controls, making them simple to operate and maintain.
  5. Portable– The heater comes standard with a handle and wheels, giving operators the ability to roll the machine on and off ramps, allowing for movement directly to the spot where it is needed.
  6. Safety Features: L.B. White Premier 350 heaters place a strong emphasis on safety, and are equipped with various safety features, such as flame-out detection, airflow safety switches, and overheat protection.
  7. Versatility: They can also be used in applications such as construction sites, warehouses, workshops, agricultural barns, and more.

The LB White Premier 350 Heater is equipped with a thermostat to maintain comfort levels for occupants in the heated space; it has an impressive 170 degree Fahrenheit increase over ambient temperatures. The machine also comes standard with a regulator and 15’ gas hose. The heater is ductable using the optional 18″ duct adapter kit and can be used both inside and outside of the space. Additionally, the optional end diffuser, which attaches to the end of the 18″ duct, can be used to help evenly distribute heat into the space. To see videos about LB White Premier Heater operation, click here.

To learn more about the LB White Premier 700 Heaters, or all of our other event tent heater offerings, feel free to contact our offices at by phone at 833-401-3569, or by email at [email protected]


  • Btu/h Rating: 350,000
  • Heated Air Output (CFM): 2,500
  • Fuel Type: LP, NG
  • Fuel Consumption LP Gas max (lbs./hr.): 16.2
  • Fuel Consumption Nat. Gas max (cu.ft./hr.): 350
  • Amps (starting/continuous operation): 25.0 / 9.0
  • Amps (Standard 15 amp circuit): Yes
  • Motor Horsepower: 1
  • Length (in.): 48.3
  • Width (in.): 28.0
  • Height (in.): 41.0
  • Shipping Weight (lbs.): 320.0
  • Fan only mode: S
  • Wheels: S
  • Gas Pressure Regulator (w/POL): S
  • Thermostat (weatherproof w/ 1.4’ cord): S
  • Gas Hose: 15’
  • Ducting (W/ Magnetic duct adapter): 18” dia. x 12” long-24442
  • Certified to ANSI/CSA standards: Yes

Product specifications

Heat Wagon DG250 Direct-Fired Ductable Heater
L.B. White Journeyman 360 Heater Propane/NG