Pentair Titan/Sandpiper 2" Black Union Valve Nut (51013011Z) ussealmfg A replacement bulb is useful

A replacement bulb is useful because it helps maintain balanced light output across the system

relay issues

That helps restore one of the key active components in the in-floor cleaning system while keeping the rest of the setup intact

An assembly like this is useful because it restores the core moving component inside the slide valve

Improves serviceability and filter restoration confidence

Pentair Titan/Sandpiper 2" Black Union Valve Nut (51013011Z) ussealmfg A replacement bulb is usefulThis genuine Pentair Pool Products replacement part, Pentair Titan Sandpiper 2" Black Union Valve Nut, part 51013011Z, is designed to support compatible Pentair pool and spa equipment during repair, rebuild, or routine maintenance. Selecting the correct OEM style component helps preserve fit, serviceability, and long term system performance. Use the part number to confirm compatibility before installation, especially when working with pumps, filters,