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Replacing it restores proper internal water collection and filtration performance
and supports faster pool opening in spring—without sacrificing protection
combustion heat can stress nearby components and the chamber no longer behaves the same under load
providing a complete
engineered for longevity in chlorinated and saltwater environments
Hayward Multiport Valve | SP071621 Umbrella Replacing it restores proper internalWhat This Part Is Used For The Hayward SP071621 Multiport Valve is a control valve designed for compatible Hayward sand filter systems. It directs water flow through various filtration functions. Why This Part Matters A properly functioning multiport valve supports filtration, backwash, and waste cycles. Internal wear can cause leaks or pressure loss. Replacing the valve restores reliable system control. Key Features and Specifications Manufacturer