The hydraulic components used on the San Remo Milano LX depends on various variables. The main one is which model version is it, the SED or SAP. The other one is the espresso machine a 1-2 or a 3 group espresso machine.
Seen the SED model version is the volumetric version of the Milano LX you need components such as a flowmeter, which requires hydraulic components such as flowmeters for each group head. Regarding the number of brewing groups, this depend on which type of tubing is used, seen the tubing on a 1 group machine is not completely interchangeable with a 3 group Milano LX.
Other hydraulic components used on the SM Milano LX are the pressure switch, over pressure valve, vacuum valve, safety valve and the water inlet valve
