Pentair Piston Assembly [Slide Valve, Push-Pull Kit] (263055) prostar or simply reached the end

or simply reached the end of its life

Supplied with the PS-4019-BC component

Supports more accurate and dependable replacement service

A tee fitting like this is useful because it allows the gauge to be integrated into the plumbing path while maintaining the main flow route of the system

When the existing cartridge becomes restricted or unreliable

Pentair Piston Assembly [Slide Valve, Push-Pull Kit] (263055) prostar or simply reached the endThis piston assembly is built for compatible Pentair slide valve and push pull valve service. Push pull valves rely on a smooth moving piston to shift flow between filter and backwash functions, and wear in this area can lead to leaks, hard operation, poor sealing, or incomplete valve movement. Replacing the piston assembly helps restore controlled valve action without replacing the full valve body. It is useful during backwash valve rebuilds,