The GRACO 18B400 ThermoLazer Sprayer, ProMelt, 4.75 in is a thermoplastic line striping system designed for applying durable pavement markings. It is constructed for heavy-duty use and is intended for marking parking lots, crosswalks, bike paths, and other paved surfaces. The system uses thermoplastic material, which is melted and applied as a hot, durable line. The ProMelt system allows for rapid melting of thermoplastic, increasing productivity and reducing downtime between jobs.

Key Features:

• Thermoplastic line striper
• ProMelt, 4.75 in
• Heavy-duty, robust design for harsh environments
• Compatible with GRACO LineDriver™ for ride-on operation (on select models); not all ThermoLazer models are LineDriver compatible—check specific model for details
• ProMelt system for fast thermoplastic melting (up to 300 lbs in 1–1.5 hours)
• EasyGlide™ Wheel System for smooth, LineLazer-like handling
• Dual rear wheels and Fat Track Front Swivel for maneuverability
• SmoothRide tires for operator comfort
• High output with superior control for quality finish
• Designed for years of productive, profitable use in harsh conditions
• Factory-tested and field-proven design

Applications:
Marking parking lots, crosswalks, bike paths, airport runways, and other paved surfaces with durable thermoplastic lines.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may void warranty and reduce equipment lifespan.
• Follow manufacturer’s instructions for assembly and setup
• Ensure all connections are secure and leak-free
• Use only recommended thermoplastic materials and beads
• Regularly inspect and maintain wheels, burners, and applicators for best performance
• Consult the manual for specific installation and maintenance procedures
• Perform routine maintenance checks before and after each use
• Clean applicators and hoppers to prevent material buildup
• Store equipment in a dry, protected environment when not in use
• Use only GRACO-approved accessories and replacement parts