Information on backflushing your espresso machine

Instructions for replacing the group head gasket and shower screen.

Steps for maintaining and rebuilding the group head.

Information on how the BZ group head works.

Regular wear items related to the machine’s valves.

Regular wear items related to the group head.

Instructions for maintaining steam and water valves.

There is flow from the hot water wand initially, but it drops quickly

There is no or low flow from the hot water wand and the steam pressure gauge reads normally

There is no or low flow from the hot water wand and the steam pressure gauge reads normally

There is flow from the steam wand initially, but it drops quickly

There is no or low flow from the steam wand and the steam pressure gauge reads normally

There is no flow from the steam wand and the steam pressure gauge reads zero

There is no or low flow from the steam wand and the steam pressure gauge reads normally

The pressure from the steam wand is too low

There is no pressure from the steam wand

The pressure from the steam wand is fluctuating

The steam wand leaks when the machine is hot.

The steam wand leaks at all times.

The hot water wand leaks when the machine is hot.

The hot water wand leaks at all times.

The valve knob squeaks when moved.

The valve joystick squeaks when moved.

Maintenance instructions for the steam valve.

The steam valve knob is hard to move.

The steam valve joystick is hard to move.

Maintenance instructions for the water valve.

The water valve knob is hard to move.

The water valve joystick is hard to move.

Maintenance instructions for the group head.

Technical diagrams of the machine.

User manuals for the machine.