Pentair Backup Valve, for LL10, L10, Replacement | E10 Filbur This ignition control module manages

This ignition control module manages the ignition sequence and helps coordinate the signals needed for the heater to start and run properly

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

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

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Replaces a worn or damaged zippered bag

Pentair Backup Valve, for LL10, L10, Replacement | E10 Filbur This ignition control module managesWhat 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