Share 'what is the exact bar pressure of a espresso machine?'
I'm working with a Faema E92 Elite 4-Group. And I've notice that everytime I'm pushing a button for a shot, the meter in the gauge (right under) goes to 10 bar.
Now I've read somewhere that the bar should be at 9 for extracting espresso.
Is it normal, with a Faema machine, the bar in the gauge is 10 instead of 9 with every shot?
The machine has one big boiler for all 4 groups and…
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