Amazon.com: Espresso Machine Barista Gadgets OPV Spring Compatible with Gaggia Classic 9 Bar 6.5 Bar 5 Bar Opv Coffee Machine Kits for Gaggia Classic Pro Opv Mod Springs Parts Replacement Accessories -2
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Lelit Elizabeth v3 OPV tweak. I'm not sure if this is typical, but by default, my machine hits around 10-11 bars on a shot. Since the OPV valve on the v3 is
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