La Marzocco Rubber Group Gasket PF  €4.99

• Remove the shower screen by unscrewing the main screw.
• Remove the old gasket: Use an awl to remove the gasket or sharp screwdriver - it will come away in pieces as it will be brittle.
• Insert gasket with narrow part 1st and lock on with portafilter - to tighten gasket into place.
• Screw back the shower screen.
• Changing the group gasket every year will make this job relatively easy to do.

When to replace: When the coffee starts to over flow from handle, when making a coffee. You won't have the correct pressure to extract the coffee, leaving a diluted watery taste in the coffee.