The GRACO 288421 is a manual airless spray gun designed for use with airless sprayers. It is constructed with durable materials suitable for high-pressure fluid applications and is intended for the application of architectural paints and coatings. The gun features a totally enclosed needle cartridge for enhanced durability and consistent performance.

Key Features:

• Airless Spray Gun
• 288421 (Contractor Series)
• Durable, ergonomic design with totally enclosed FlexSeal needle cartridge
• Maximum fluid pressure: 3600 psi (24.8 MPa, 248 bar)
• For use with airless sprayers
• Totally enclosed patented design eliminates needle’s exposure to fluid, extends needle life by 70%
• Consistent needle shut-off and reduced spitting
• Spring located outside fluid path for better flow
• Repositioned seat closer to the tip, eliminating 60% of dead space
• Ergonomic, form-fitted handle for maximum control and comfort
• Detachable trigger guard for easy filter access
• Lightweight design (22 oz) reduces operator fatigue
• Smooth, lightweight trigger pull with thumb-engaged safety lock

Applications:
Application of architectural paints and coatings using airless sprayers

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure compatibility with airless sprayers before installation
• Follow manufacturer’s instructions for connecting inlet and outlet fittings
• Regularly inspect and maintain the needle cartridge and seals for consistent performance
• Use only compatible fluids and solvents as specified in the equipment manual
• Refer to the equipment manual for detailed installation and maintenance procedures
• Perform routine checks for leaks and wear
• Clean the gun thoroughly after each use to prevent clogging and ensure longevity