Balboa ML551 8-Button Topside [w/o Overlay] (G8351) hammerhead Approximate length 7 feet 8

Approximate length 7 feet 8 inches

and this generic version uses the O-333 reference

A gasket like this is useful because it helps maintain cleaner sealing inside the valve body

Replacing brushes as a set is useful because it helps preserve balanced cleaner behavior rather than mixing old and new wear patterns

This type of part is especially useful when the original gray head has become worn

Balboa ML551 8-Button Topside [w/o Overlay] (G8351) hammerhead Approximate length 7 feet 8The Balboa ML551 topside panel is designed for compatible spa control applications where a full 8 button user interface is needed. A topside panel is useful because it gives the user direct access to spa functions, supporting more convenient operation and a better overall control experience. This replacement is especially useful when the original topside is damaged, nonresponsive, or no longer communicating correctly with the control system. The