Phone support by Kanen Coffee for those who purchase kit. * This OEM repair kit can help you to fix some of the most common Rancilio Silvia problems. * 1. Water leaking around the portafilter: Usually the grouphead gasket needs to be replaced. * 2. Flow or no flow of water from grouphead. Your screen is probably clogged and needs to be replaced. * Purchase Joe Glo Espresso machine cleaner to keep your new screen clean.