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S1505 Direct Fired Heater

The S1505 Portable Direct Fired Heater, available for rent from On Site Companies, is an efficient direct fired heater that can meet the needs of large job sites or homes. With a special design that draws fewer amps, this heater only needs to run on a 15 amp circuit. 


  • CSA approved for unattended operation
  • Light enough for one-man operation
  • Dual Fuel – Quick changeover from propane to natural gas
  • Air flow switch and Hi limit switch ensures safe operation
  • Thermostat to conserve fuel
  • Steel construction ensures durability

The 1505 Direct Fired Heater Available in:

  • Minneapolis/ St. Paul, Minnesota
  • Rochester, Minnesota
  • Mankato, Minnesota
  • St. Louis, Missouri
1505 Direct Fired Heater


Description Specification
Input 1,500,000 BTU Hi Fire / 800,000 BTU Lo Fire
Fuel Vapor Propane/Natural Gas
Fuel Consumption 16.4 GPH Propane/ 1,5000 CFH Natural Gas
Gas Connection 1-1/4” FNPT
Electrical 120 Volts 15 amp circuit
Fan 7000 CFM 1 HP
Thermostat HI – LO
Temp Rise 490°F
Weight 300 lbs.
Inlet Pressure
Max W.C. Min W.C.
14″ 9″