Balboa ML551 8-Button Topside [w/o Overlay] (G8351) hammerhead This type of replacement is

This type of replacement is especially useful when the filter canister remains serviceable and the cartridge itself is the primary wear component

CMP generic B5 sweep hose

Approximate length 7 feet 8 inches

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

and this generic version uses the O-333 reference

Balboa ML551 8-Button Topside [w/o Overlay] (G8351) hammerhead This type of replacement isThe 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