Graco 15H641 Control Knob

Graco 15H641 Knob – Product Overview

Compatible Machines

• Graco airless sprayers using control knobs
• Graco finishing equipment requiring adjustment knobs (various models)
• Graco spray systems where manual control and replacement knobs are required

The 15H641 Knob is an OEM control knob for Graco equipment. Designed with durability and precision in mind, this part enables accurate manual control of essential functions on your sprayer, like pressure adjustment, flow control or switching features.

Key Features

Installation & Usage Tips

• Turn off the equipment before adjusting or replacing knobs.
• Remove the existing knob by unscrewing or pulling off depending on mounting type.
• Install the new knob firmly and test for proper control function.
• Ensure no play or wobble in the knob after installation—tighten as needed.

Frequently Asked Questions