Waterco Trimline Tank Lid O-Ring (WC62021) grasslin Useful when the original switch

Useful when the original switch no longer responds properly

Using the proper model-specific union helps preserve fit and service access in systems where the connection layout was designed around removable plumbing joints

and printed identifiers from the original panel

The SPX0507A1 is a practical replacement for compatible Hayward light assemblies that need renewed trim support and cleaner visual presentation

making it an important structural and functional part of the system

Waterco Trimline Tank Lid O-Ring (WC62021) grasslin Useful when the original switchThe Waterco Trimline tank lid O ring is designed for compatible tank applications where the lid sealing ring needs replacement. An O ring in this position is useful because the lid seal is one of the most important barriers against leakage, and a worn ring can quickly undermine confidence in the entire tank assembly. This replacement is especially useful when the original O ring has become flattened, cracked, hardened, or no longer seals evenly around