Hayward C4020/C4025/DE4820 Tank Lid w/Clamp Ring (DEX4820BTC) watertech The HydroAir and Balboa Hydro

The HydroAir and Balboa Hydro Jet compatibility gives this tool practical value because retaining ring tools work best when they match the specific jet family in use

This replacement is especially useful when the original union has cracked

Because this is a Magna application

A gasket like this is useful because it helps seal and organize internal flow passages in the valve while matching the correct size and spoke configuration of the original assembly

Supports more efficient retrofit-style drain restoration

Hayward C4020/C4025/DE4820 Tank Lid w/Clamp Ring (DEX4820BTC) watertech The HydroAir and Balboa HydroThe Hayward tank lid with clamp ring is designed for compatible C4020, C4025, and DE4820 filter applications where the upper tank closure needs replacement. A lid with clamp ring is useful because it helps secure and seal the filter tank while still allowing access for internal service and maintenance. This replacement is especially useful when the original lid or clamp ring is cracked, leaking, damaged, or no longer securing correctly. Replacing both