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Any input from others who've done this?
Yes, I found the temperature suffers a bit when you turn the pressure down too much. I think it’s because of the way the OPV bypasses the water back into the tank. You might also find the machine burps quite a lot when you’ve got the steam on because it also uses the OPV as its maximum pressure hold.
Jonny69-
Appreciate it - hopefully PID helps a bit but I'll monitor it.
@Stevethecoffee this is exactly the sort of reinforcement I need. Taste > parameters. Cheers
Ptown
Turns out that randomly messing about with the Gaggia's OPV last year resulted in a perfect 9bar.
Now I've got the gauge and can measure changes, I'm gonna take it down to 7ish bar as 6 seems the internet afficionados choice and I don't want to seem quite as snobby as them. Any input from others who've done this?