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KASI 4x3 Asphalt Joint Heater 120WB

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ID# K-120WB-4x3
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Overview: Our Kasi 120WB, is a walk-behind Asphalt Joint Heater with a 4'x3' infrared panel. The stainless steel chamber outperforms all others. Propane fired, 12 volt system. Call today.


KASI Model120WB, 4’ x 3’ walk behind infrared specifications, ideal for pavement joints. 
The unique design of these heaters provides maximum efficiency and BTU output while providing a large heating area that meets durability requirements for construction use.

Infrared chamber

  • Chamber dimensions: 4’ x 3’
  • Chamber construction: 16 gauge welded stainless steel
  • Frame: stainless steel angle and tubing
  • Box frame: stainless steel tubing
  • Chamber support arms: stainless steel tubing
  • Chamber corner supports: stainless steel angle
  • Louvers: 18 gauge stainless steel

Infrared converters

  • 36” seamless 3/8 “ wall stainless steel pipe ultra glo converters
  • Precision machined lpg vapor orifices
  • Precision welded 16 gauge stainless steel reflectors
  • 16 “ inconel infrared grids
  • 4 converters contained in the standard 3’ x 4’ chamber


  • A self contained 12 volt system comprised of one 12 volt deep cycle marine gell battery.
  • Built in 20 amp marine battery charger/maintainer.

Lpg supply

  • Propane vapor is supplied by two multi valve vapor draw 40 lb propane tanks (lp tanks are not included).
  • The fuel/air mix is driven by a 12 volt brushless motor.
  • All fixed lpg lines are continuous stainless steel tubing with swagelock fittings


  • Pressure activated gas solenoid prevents the flow of vapor when the unit is not operating.
  • Excess flow check pol valve
  • Continuous stainless steel tubing and swagelock fittings on all lpg systems.


  • Infrared chamber
  • Four rows of infrared converters provide uniform depth of heat transfer across the heated area.
  • Heat time for a depth of two inches in standard mix design asphalt cement is five to six minutes at an ambient air temperature of 50 f with no damage or change in the asphalt binder.
  • Maximum fuel consumption is 2.0 gallons of lpg per hour in continuous operation.

Call (518)218-7676

Product Details

Product Details

Category Infrared Heaters
Product Name KASI 4x3 Asphalt Joint Heater 120WB
Product ID K-120WB-4x3
Manufacturer Kasi
Size 4x3
Condition New
Shipping Dimensions
Lbs KG
Weight 360.00 162
Inches Feet Cm
Length 0.00 0.00 0.00
Width 0.00 0.00 0.00
Height 0.00 0.00 0.00

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