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Engineered to deliver reliable, directional heat, L.B. White Tradesman heaters feature a unique 3-trial ignition system, the industry's heaviest gauge combustion chamber and burner plate, and Self Diagnostic Service Saver models for convenient trouble-shooting. L.B. White has perfected every aspect of our construction heaters design to withstand the harsh working environments. This has led to our reputation for reliability, durability and serviceability in the field. When the comfort and safety of your work crew is at stake. you want the leader in Construction heating equipment on the job. L.B White. The Ultra model is designed with Self Diagnostic Service Saver elements for convenient trouble-shooting assistance. L.B. White is the only U.S. manufacturer of commercial grade temporary gas construction heaters and is recognized as a leader in portable heating for over 50 years. L.B. White offers a full line of direct-fired convection, portable forced air, kerosene, circulating and duct able construction heaters and torches in addition to the Director, indirect fired heater.

L.B. White CP400U Tradesman 400 Ultra Portable Forced Air Propane Heater 400 000 Btuh - B006NXAKDK