Espresso Machines

Group Head Gasket Repair Kit for Nuova Simonelli (Oscar, Oscar II, Musica, Appia and Appia II) Grouphead gasket/seal Ideally, they should be replaced every 6 months, as rubber becomes brittle with the constant cycle of heating and cooling. Once the rubber becomes brittle, the group head may start leaking around the portafilter, the... Group Head Gasket Repair Kit for Nuova Simonelli (Oscar, Oscar II, Musica, Appia and Appia II)