From the front panel you can set preinfusion pressure to whatever you want. Rotary pump. The small panel is a shot timer showing preinfusion time and shot time…plus it can “end” the shot by a controlled vent of the lever…either by time, or pressure reaching a input value. Two different values can be set for a single or double shot
These are new features that will appear on the Evo in time. Other than this the boilers, tank and group tech is identical to Evo it’s a beautiful machine and comes in 1, 2 or 3 groups.