Swimables SW-26-130 Backwash Valve Piston Assembly

The Swimables Replacement for Pentair Backwash Valve Piston Assembly SW-26-130 with O-Ring is a replacement component designed as a substitute for Pentair 51013811. It is made for compatibility with select Pentair push-pull and slide backwash valves, where it controls internal water routing during filtration and backwash operation. This assembly is commonly used in 2 inch Pentair slide valve models such as 263064 and 50290211. It includes the piston shaft and O-ring needed to replace worn or damaged internal valve components. Built from durable materials, it is designed for repeated use in pool filtration systems.

Highlights

• 51013811 Compatible Replacement: Designed as a substitute for Pentair piston assembly 51013811.
• Fits Select Pentair Slide Valves: Commonly used in 2 inch push-pull and backwash valve assemblies.
• Restores Valve Function: Helps improve movement and reduce leaks in worn valves.
• Includes O-Ring: Complete assembly includes sealing O-ring for replacement.
• Durable Construction: Built for repeated valve cycling and filter system pressure.