Waterco Top/Side Mount Valve Cover Square Ring (621454) coatesheater A partial DE grid helps

A partial DE grid helps complete the filtration assembly inside a compatible diatomaceous earth filter

Helps restore coordinated system operation

which is why correct application matching matters

Useful for shutoff and line isolation in compatible systems

Impeller for compatible Jacuzzi Magnum 2

Waterco Top/Side Mount Valve Cover Square Ring (621454) coatesheater A partial DE grid helpsThe Waterco top and side mount valve cover square ring is designed for compatible valve applications where the sealing ring at the valve cover needs replacement. A square ring in this area is useful because it helps create the proper sealing profile between the cover and the rest of the valve assembly, supporting cleaner operation and better internal protection. This replacement is especially useful when the original square ring is flattened, brittle,