Hayward Perflex EC50C Tube Sheet Gasket (ECX5000G) remotecontrols and this generic version is

and this generic version is sized with a 20-1/2 inch inside diameter and 5/16 inch cross-section using the O-103 reference

this Waterway NEO 2100 topside panel is a practical replacement when the original 2 pump panel needs renewal

A clean connection path does not just make the install easier

and PRB50-IN references

Designed for compatible automated water-level applications

Hayward Perflex EC50C Tube Sheet Gasket (ECX5000G) remotecontrols and this generic version isThe Hayward tube sheet gasket is designed for compatible Perflex EC50C filter applications where dependable sealing is needed around the tube sheet area. A gasket like this is useful because it helps maintain the integrity of a key internal filter connection, supporting cleaner operation and more dependable assembly fit. This replacement is especially useful when the original gasket is flattened, cracked, brittle, or no longer sealing correctly after