Hayward Vac-Lock Black Free Rotation Kit (W400BBKP) gentekk A union like this is

A union like this is useful because it allows the connection to be disconnected for service later while still supporting a clean

When a cover O-ring becomes flattened

Supports safe flow

the panel regains the polished look you expect from a higher-end control area

Useful for technicians and repeat maintenance work

Hayward Vac-Lock Black Free Rotation Kit (W400BBKP) gentekk A union like this isThe Hayward Vac Lock free rotation kit is designed for compatible wall suction and vacuum lock applications where the rotating connection components need replacement. A free rotation kit is useful because it helps the hose or attachment rotate more freely, reducing twisting and supporting easier vacuuming or cleaner movement. This replacement is especially useful when the original rotation components are worn, sticking, cracked, or damaged. Matching