Pentair Sta-Rite System 3 Bulkhead/Elbow Assembly (25021-0100Z) leviton Weir door assemblies are often

Weir door assemblies are often replaced when the original part becomes warped

supporting safer handling and more dependable cleaning performance

A fitting like this matters because it helps maintain the relationship between the shell opening

The Waterway 502-2510 top load cartridge filter is designed for compatible applications and features a 7-1/2 inch format with 25 square feet of filtration area

A chlorinator like this is useful because it provides a dedicated way to introduce chlorine into the system in a more controlled manner than manual treatment alone

Pentair Sta-Rite System 3 Bulkhead/Elbow Assembly (25021-0100Z) leviton Weir door assemblies are oftenThis bulkhead and elbow assembly is used on Sta Rite System 3 filters where water must transition cleanly through the tank connection. Because the assembly combines a sealing point and directional fitting, damage can affect both leak control and flow routing. Replacing the assembly helps restore the intended plumbing path without relying on mismatched adapters. Combines bulkhead and elbow functions for compatible filters Supports correct flow