I hadn't had mine for more than a few months but for extending grouphead gasket llifespan I'd recommend not leaving the portafilter fully tightened unless you're using it.
That makes a lot of sense, thanks for the tip, Mick!!
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I hadn't had mine for more than a few months but for extending grouphead gasket llifespan I'd recommend not leaving the portafilter fully tightened unless you're using it.