The 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 the lid. Replacing the lid O-ring is often one of the simplest and most effective ways to restore a cleaner, more dependable tank seal.The WC62021 is a practical maintenance part when a compatible Waterco Trimline tank needs fresh lid sealing support for better everyday service performance. Waterco Trimline tank lid O-ring Designed for compatible lid sealing applications Helps restore dependable sealing around the tank lid Useful when the original O-ring is worn or leaking Supports a cleaner and more reliable tank seal
