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

Useful when the original switch no longer responds properly

and printed identifiers from the original panel

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

The Val-Pak generic Pentair American Products 1

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