Below are instructions for cleaning the inlet one-way / check valve on an Izzo Duetto espresso machine. This is useful if your machines brew boiler is draining back into the water tank, you can tell if this is happening if after the machine has been on for a couple hours without use it takes a few seconds to get any regular flow out of the group head instead of an instant response. Before doing this we recommend unplugging your machine and allowing it to fully cool off. Tools required:
- Adjustable wrench 2x
First, remove the bottom panel from the machine by following these instructions.
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