Graco FinishPro HVLP AirControl Valve 17R301 The Graco 17R301 is a genuine air control valve for FinishPro HVLP spray systems, designed to give you smooth, precise air control at the gun. As an original Graco replacement part, it helps restore factory performance, reduce air leaks and keep your HVLP sprayer working reliably on every job. Key features & benefits: Genuine Graco replacement part – ensures full compatibility with FinishPro HVLP sprayers and protects system performance. Precise air control at the gun – helps you fine-tune atomisation for a consistent, professional finish. Quick-disconnect ball valve – fast, secure connection of the air hose to the spray gun, reducing downtime between jobs. Durable construction – engineered to withstand regular trade use in demanding site and workshop conditions. Supports high-volume, low-pressure operation – keeps your HVLP system running efficiently and comfortably. Typical applications: Replacement air control valve on Graco FinishPro HVLP spray systems. Connecting the material air hose to the spray gun for controlled, efficient spray application. Ideal for decorators, sprayers and finishers looking to maintain reliable performance from their HVLP kit. Installation & maintenance: Always depressurise the spray system and disconnect from the power supply before replacing any parts. Follow the Graco equipment manual for model-specific installation instructions and torque settings. After fitting, check for leaks and smooth valve operation before returning the sprayer to service. Inspect the valve regularly for wear, damage or stiffness and replace as required to maintain consistent air control. Using a genuine Graco 17R301 air control valve is the simplest way to keep your FinishPro HVLP sprayer performing as it should, job after job.