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1,200 DF Direct Fired Enclosed Flame Heater

The 1,200 DF Direct Fired Enclosed Flame Heater is the largest enclosed flame heater that On Site offers for rental. This heater is essentially a larger version of our line of smaller direct fired enclosed flame heater. It runs on both propane and natural gas, and the heater can be ducted in three different directions for optimal construction or special event heating.


  • Totally enclosed flame
  • Built-in temperature management
  • Air flow safety devices

The 1,200 DF Direct Fired Enclosed Flame Heater Available in:

  • Minneapolis/ St. Paul, Minnesota
  • Rochester, Minnesota
  • Mankato, Minnesota
  • St. Louis, Missouri
Description Specification
Input 1,200,000 BTU/h
Fuel Vapor Propane/ Natural Gas
Gas Consumption 13.2 GPH Liquid Propane/ 1,200 CFH Natural Gas
Heated Air Output 6,000 CFM
Electrical Supply 240 Volts/ 1 Phase
Amp Draw 27.6
Weight 1,000 lbs.