Mazzer Philos Coffee Grinder Rocket A worn group seal causes

A worn group seal causes portafilter leaks

RPM: 1400 rpm @50Hz | 1600 rpm @60Hz

Heating element replacement on a commercial machine requires draining the boiler and working with mains voltage electrical connections

Machine powers on but controls are unresponsive

Clean the group head recess thoroughly before fitting the new seal

Mazzer Philos Coffee Grinder Rocket A worn group seal causesThe Mazzer Philos Coffee Grinder is a premium single dose grinder designed for precision, zero retention, and quiet operation in a sleek, compact form. Ideal for all brew methods, it features tool free cleaning, stepped and stepless adjustment, and two burr options tailored for clarity or body. Built from durable, recyclable materials, the Philos offers professional performance in a home friendly footprint