If your Rocket's wand movement isn't as smooth as it used to be, or if you see leaking around the ball joint–a quick replacement of the Rocket Steam Wand Ball O-Ring should do the trick! This O-ring sits between the steam wand ball and nut, and is compatible with Rocket's Appartmento, Giotto, Mozzafiato, and Cellini machines.

Part number: A449904334.