The GRACO 15K419 KNOB, SNUFFBACK, ADJUST is an adjustable knob designed for use in GRACO fluid dispensing systems. It is made from durable materials to withstand industrial environments and is intended to control the snuff back feature, which retracts fluid from the spray tip to prevent drips and ensure a clean finish.

Key Features:

• Adjustable snuffback knob
• 15K419
• Designed for use with GRACO spray equipment requiring snuffback adjustment (e.g., MD2 valves with soft seats)
• Ergonomic design for user comfort
• Allows for quick, tool-free adjustments
• Enhances control over fluid retraction
• Improves application efficiency and reduces waste
• Built for reliability and long-term performance

Applications:
Used in spray painting and coating applications, especially where precise control over fluid flow and drip prevention is critical, such as automotive and industrial painting.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and safety in fluid dispensing systems.
• Ensure the equipment is powered off and depressurized before installation
• Align the knob with the snuffback adjustment mechanism on compatible GRACO equipment
• Turn the knob to adjust the amount of snuffback as needed for the application
• Regularly inspect the knob and mechanism for wear or damage
• Clean the knob and surrounding area regularly to prevent buildup of paint or debris
• Check for smooth operation and adjust as necessary
• Replace the knob if it becomes difficult to turn or shows signs of wear