Breville 3-Way Valve Not Venting Properly

Breville espresso machine drips water from the group head for a long time after brewing.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Dirty 3-way solenoid valve, Coffee oils in exhaust path, Weak solenoid coil, Blocked drain channel

Safety: Normal dripping is expected briefly; excessive dripping may indicate a fault.

Steps:

Perform multiple backflush cycles with a blind filter and cleaning tablet.
Clean the drip tray and drain channels to ensure free flow.
If dripping persists, open the case and inspect the 3-way valve and its exhaust hose for blockages.

Resolution: Clean or replace the 3-way solenoid valve if it fails to close fully or vent properly.

Medium 3/5

3-Way Solenoid Valve

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