Heavy Duty Thermo Fogger Model 3902

Heavy Duty Thermo Fogger

192,000 Cubic Feet of Fog Per Minute (5436 Cubic Meters)

This Thermo Fogger is powerful enough for large areas. Operation of Model 3902 requires only one person. Oil based formulations are converted into a fog at the rate of about 192,000 cubic feet per minute ( 5436 cubic meters). The unit has its own 12 gallon steel formulation tank and is equipped with remote manual controls permitting starting and stopping the fog from the cab of a vehicle. The two-stage heating system 1) prevents degradation of heat sensitive insecticides and 2) allows the creation of fine, billowy fog. MODEL 3902 is especially suited for large parks, factories, golf courses and municipalities with mosquito abatement programs. Great for large special effect productions. Truck or cart mount.


  • Easy start, low maintenance Briggs & Stratton engine
  • 12 gallon steel formulation tank
  • Adjustable output and micron size
  • Remote truck cab control included
  • Flameless
  • One year limited warranty
  • Formulation Filter – cleanable
  • One man operation
Specifications – Thermo Fogger Model 3902
Engine Briggs & Stratton Heavy duty, 4-cycle
Horsepower 13 h.p.
Fuel Lead-free gasoline
Type Unit Thermal Fogger: using oil-based insecticides
Heating Principle Two-stage Turbo Fogger
First Stage: “Friction-disc” that pre-heats oil based insecticide
Second Stage: exposure to hot exhaust air blast
Formulation Output Controllable: 0-25 gallons per hour
(Dry fog, 16 gallons per hour)
Filter Cleanable/Replaceable
Fog Particle Size Controllable: 0-50 microns
Flameless low temperature
Fuel Tank Capacity 1 ½ gallon
Formulation Tank Capacity 12 gallons
(Accessible, extra-large fill area reduces spillage)
Engine Running Time 1 1/4 hours
Starter Manual
Weight 201 pounds
Shipping Weight Approximately 226 pounds
Shipping Dimensions (L)44″ (H)31″ (W)24″ (Cu. Ft.)18.9′

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