📹 Profitec Pro 600: Adjust Brew Pressure Updated January 11, 2022 15:58 Learn how to adjust brew pressure on the Profitec Pro 600 espresso machine. Profitec Pro 600 How to Adjust Brew Pressure Introduction (00:00) Adjusting Brew Pressure (03:00) OPV: Over Pressure Valve (03:50) Running Pump for Extended Time (06:00)