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Graco 288166 TSL Fluid 6-Pack 1 Qt Bottles

Graco 288166 TSL Fluid is a throat seal liquid designed to lubricate and protect piston pump packings, preventing paint from drying and extending pump life.

  • Pack of 6 bottles (1 quart each)
  • Prevents coating buildup on displacement rods
  • Reduces packing wear and friction
  • For Graco airless sprayers with piston pumps

$223.43
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Compatible Machines

  • Graco Ultra Series Airless Sprayers
  • Graco Ultra Max Series
  • Graco Mark V, Mark VII, Mark X
  • Graco GMax II Series
  • Graco GH Series Sprayers
  • Graco LineLazer Series
  • Graco FieldLazer Series
  • Graco IronMan Series
  • Graco King Series Airless Sprayers
  • All Graco Airless Sprayers with Piston Pumps and Wet Cups

Graco 288166 TSL Fluid 6-Pack (1 Qt Bottles)

Graco 288166 TSL Fluid is a professional-grade Throat Seal Liquid (TSL) supplied in a convenient 6-pack of 1-quart bottles. It is specially formulated to protect the displacement rod and packings in Graco piston-type airless pumps by preventing paint and coatings from drying, hardening, or building up inside the wet cup area.

Regular use of TSL reduces friction, minimizes packing wear, and helps extend pump life by keeping internal components lubricated during operation, shutdown, and storage.

Product Number Description Pack Size Application
288166 Throat Seal Liquid (TSL) 6 × 1 Quart Bottles Lubrication & protection for airless pump packings

Usage Benefits

  • Prevents paint from drying on pump rods and packings
  • Reduces friction and heat buildup in the wet cup
  • Extends service life of pump seals
  • Improves long-term sprayer reliability
  • Essential for storage and routine maintenance

Frequently Asked Questions

Throat Seal Liquid lubricates the pump rod and packings, preventing coatings from drying and damaging internal seals.

TSL should be maintained in the wet cup at all times during spraying and topped up before storage.

Yes, it is suitable for all Graco airless sprayers that use piston pumps with wet cup lubrication systems.

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