GRACO Piston Seat with O-Ring Kit - (SKU: 17H191)The GRACO 17H191 is a piston seat kit that includes an O ring, designed for use in GRACO equipment such as the ToughTek mortar pumps (Legacy F340e series). The kit is intended to provide a reliable seal and smooth operation for the piston assembly, ensuring efficient and leak free performance in demanding industrial applications. The material is not specified, but typical piston seats are made from durable plastics or engineered composites, while O

Compatible with GRACO airless paint sprayers (e

1-3/16 SAE

or other control devices

Follow GRACO installation guidelines for single-line piston distributor systems

For 7900 Standard (GMAX II 7900 Standard)

Regularly inspect the injector and manifold for leaks or blockages

Replace gloves if conductivity is compromised

Ensure battery is disconnected before installation

confirm with manual for exact specification)

It is typically constructed from durable materials suitable for industrial environments and is intended to secure and support pump assemblies

Elbow fitting

reducing the risk of leaks or failures