GRACO Piston Valve Replacement - (SKU: 239937)The GRACO 239937 is a genuine OEM piston valve designed for use in GRACO airless paint sprayer pumps. It is typically constructed from durable materials suitable for high pressure fluid handling, ensuring reliable operation and longevity within GRACO equipment. Its primary function is to regulate and control the flow of paint or other fluids within the pump assembly. Key Features: Piston Valve 239937 GRACO airless pump models: 17C487, 17C488, 17C489,

2 inches in length

particularly for the 25R635 iQ Valve Air piston assembly

Secure all connections tightly to prevent electrical hazards

Cleanliness during installation

Mount the reel securely to a stable surface using appropriate hardware

Clean valve body and internal components as needed

Inspect the valve seat and surrounding components for wear or damage during installation

Low maintenance due to simple design and easy hose replacement

Follow GRACO installation guidelines for the specific pump model

Electronic components and circuit board

Air Motor Cylinder

Compatible with GRACO ToughTek® mortar equipment