Hayward C4020/C4025/DE4820 Tank Lid w/Clamp Ring (DEX4820BTC) grundfos or is otherwise no longer

or is otherwise no longer dependable in a supported Versi-Heat application

This replacement is especially useful when the original valve has lost sealing consistency

When the original cord becomes damaged or too short

This cartridge has practical value because the multiple reference numbers make identification easier during service and replacement planning

and DVK7 valve applications

Hayward C4020/C4025/DE4820 Tank Lid w/Clamp Ring (DEX4820BTC) grundfos or is otherwise no longerThe 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