4.15. Pressure control valve
4.15.1. Mode of operation
The pressure control valve prevents a return of water from the brewing unit if the pump is
not running and prevents hot water from flowing into the brewing unit when <<hot water>> is
dispensed.
It allows hot water to flow into the brewing unit when coffee is dispensed as the hot water
valve remains closed.
4.15.2. Replacing the pressure control valve for coffee/hot water circuit
Removing the valve
• CAUTION! Small hose o-rings could fall out!
• CAUTION! Make a note of the installation
direction!
Use pliers to pull off the 2 clamp type clips
Detach both hoses
Clean valve; replace if necessary
4.15.3. Technical data
Coffee/hot water: min. operating pressure 5 bar