Pentair PacFab 2" Slide/1-1/2" Backwash Valve Piston Assembly (273241Z) topsides 50VA applications where the original

50VA applications where the original transformer has failed or become unreliable

Designed for compatible 2-way and 3-way valve service

It is intended for appropriate exterior touch-up use and should be applied according to surface preparation and safety guidelines

When the working cartridge becomes worn or clogged

Pentair PacFab 2" Slide/1-1/2" Backwash Valve Piston Assembly (273241Z) topsides 50VA applications where the originalPush pull backwash valves rely on the piston assembly to shift water flow between filtration and backwash paths. This replacement piston assembly is designed for compatible PacFab 2 inch slide and 1 1 2 inch backwash valve applications, helping restore movement when the original part is worn or leaking. Replacement piston assembly for select PacFab backwash valves Supports filter and backwash flow control Useful when the slide action becomes stiff,