The GRACO TSL Throat Seal Liquid is a maintenance fluid designed to prevent paint and coatings from drying onto the displacement rod and packings of airless paint sprayers. It is formulated to extend the life of the pump and is compatible with various GRACO sprayer models. The liquid is clear in color and does not affect the finish of oil or water-based coatings.

Key Features:

• Throat Seal Liquid
• TSL, 1 gal
• Liquid (chemical formulation: Tricresyl Phosphate, non-flammable)
• GH Big Rig Sprayers; full-size GRACO airless paint sprayers (e.g., 190ES, 210ES, 390, 395, Ultra Max II 490 through 1595). Not for use with Magnum series sprayers.
• Extends throat packing and piston rod life
• Prevents paint adhesion on the rod
• Clear, non-impacting on coating finish
• Specially formulated for airless sprayers
• Not a substitute for oil

Applications:
Used for maintaining and extending the life of displacement rods and packings in GRACO airless paint sprayers, particularly in industrial and commercial painting applications.

Installation Notes:

• Using genuine GRACO TSL Throat Seal Liquid ensures optimal performance and longevity of the sprayer components, as it is specifically formulated for GRACO equipment.
• Fill the cup with TSL every time you spray to reduce paint adhesion on the rod
• Do not use oil as a substitute for TSL
• Regular application helps maintain pump reliability and reduces maintenance downtime