Graco’s breakthrough technology allows you to melt 300lbs of thermoplastic on board in less than an hour. It’s like having a pre-melter on wheels, without the cost. Finally, a solution for melting and applying thermoplastic without the hassle and cost of pre-melters.

24H623 ThermoLazer ProMelt


Ease-Z-Steer Handle Bar System

  • Makes turning and handling as simple as a LineLazer System
  • Adjustable handle bar for users of all sizes

ProMelt Technology

  • 4 Chamber Melting System — More surface area to melt thermoplastic fast
  • 100,000 BTUs — Faster melt time means more jobs get done everyday

SmartDie II System

  • Fast change-out system — Hardened steel dies with mil thickness adjustment system built in
  • Use with or without heat — Allows you to optimize your striping in all weather conditions
  • “Floats” with the surface — Puts the thermoplastic where you want it for superior line quality
  • External Heat System — 4-torch die heat system keeps it hot

Ergonomic Design

  • Easier to use and almost effortless to push/pull, just like the proven LineLazer design

Optional LineDriver System
LineDriver and LineDriver HD Systems adaptable for the ThermoLazer 300 tc System.

  • Get higher productivity and straighter lines with less fatigue
  • Move between jobs without having to push
  • Dual Pedal System — Multiple positions allow for simple forward and reverse (Patent 6,883,633)


Hopper Size300 LB
Hopper ChamberQuadMelt
Internal Mixing PaddlesQuadMix
Hopper Lid SystemRaised, single
Melt TimeLess than 1 hour
Main Burners100,000 BTU
Temperature Limit Control475° switch
Dies AvailableSmartDie II
External 4-Torch Die Heat SystemStandard
Complete System #SmartDie II Part #Description
17B18717A1732 in (5 cm)
24R76124H4313 in (8 cm)
24H62324H4264 in (10 cm)
24R76224H4325 in (12 cm)
24R76324H4276 in (15 cm)
24R76424H4337 in (18 cm)
24R76524H4288 in (20 cm)
24R76624H4349 in (22.5 cm)
24R76724H42910 in (25 cm)
24R76824H43012 in (30 cm)
17B18817A17416 in (41 cm)
24R76924H4373 in × 3 in × 3 in
(8 cm × 8 cm × 8 cm)
24R77024H4354 in × 3 in × 4 in
(10 cm × 8 cm × 10 cm)
24R77124H4364 in × 4 in × 4 in
(10 cm × 10 cm × 10 cm)
24R77224J7854 in × 6 in × 4 in
(10 cm × 15 cm × 10 cm)

* Complete System Includes:

1 ThermoLazer ProMelt
1 SmartDie II

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