Pentair Backup Valve, for LL10, L10, Replacement | E10 Filbur Replacing it restores secure positioning

Replacing it restores secure positioning and helps prevent water intrusion behind the pool wall

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Add the product to the spa water as part of routine maintenance to help minimize foam and maintain water clarity

W1-1/2 S — standard sizing for compatibility with CMP and compatible jet assemblies

Pentair Backup Valve, for LL10, L10, Replacement | E10 Filbur Replacing it restores secure positioningWhat This Part Is Used For Pentair E10 Backup Valve Replacement LL10, L10 is a replacement backup valve designed for compatible Legend cleaner models. It helps regulate water flow and directional movement during cleaning cycles. Why This Part Matters A properly functioning backup valve prevents the cleaner from getting stuck in corners or steps. When the internal mechanism fails, the cleaner may lose mobility. Replacing it restores consistent coverage