Pentair PacFab 2" Slide/1-1/2" Backwash Valve Piston Assembly (273241Z) afras Low flow heater assemblies are

Low flow heater assemblies are useful because they are matched to systems that need dependable heating without the higher flow requirements of larger mainstream heater designs

The 2 inch by 2 inch connection format helps preserve the original flow path

or maintenance of the feed rate mechanism

This replacement is especially useful when the original screw is damaged

correct wet-end matching is especially important because frame

Pentair PacFab 2" Slide/1-1/2" Backwash Valve Piston Assembly (273241Z) afras Low flow heater assemblies arePush 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,