Waterboss Gun Repair Kit – WB-RK-750-B

The Waterboss Gun Repair Kit – WB-RK-750-B is a complete OEM-quality rebuild kit designed to restore performance and reliability to your Waterboss spray gun. This kit includes precision-engineered seals, O-rings, and internal components that replace worn or damaged parts, ensuring your gun maintains proper pressure, sealing, and spray performance.

Constructed from chemical-resistant materials, this kit is ideal for use in softwash, pressure washing, and chemical spraying systems. Regular maintenance using the WB-RK-750-B kit helps prevent leaks, trigger stiffness, or inconsistent spray patterns—keeping your Waterboss gun performing like new.

Specifications & Details:

• Part Number: WB-RK-750-B

• Product Type: Spray Gun Repair Kit

• Brand Compatibility: Waterboss Guns

• Includes:

  • Item 01: Nozzle Shroud

  • Item 10: Valve Stem Bushing

  • Item 02: Nozzle*

  • Item 03: Valve Seat

  • Item 12: Trigger

  • Item 04: "O"-Ring

  • Item 13: Link Actuator
    

  • Item 05: Valve Stem
    

  • Item 14: Stainless Steel Washer
    

  • Item 06: Valve Guide
    

  • Item 15: "E"-Ring
    

  • Item 07: Stainless Steel Spring
    

  • Item 16: Housing
    

  • Item 08: Spring Guide
    

  • Item 09: "O"-Ring
    

• Material: Chemical- and wear-resistant rubber and polymer components

• Function: Restores internal sealing and smooth trigger operation

• Applications: Softwash systems, pressure washers, and chemical sprayers

Features:

• OEM-quality replacement parts for Waterboss spray guns

• Restores sealing and trigger function for smooth operation

• Chemical-resistant seals designed for softwash and detergent use

• Prevents leaks and uneven spray pressure

• Easy installation for routine maintenance or repair