La Marzocco Linea PB 3 Group Coffee Machine Aqua - NewLa Marzocco Linea PB 3 Group Coffee Machine Aqua New La Marzocco is considered a favourite in the coffee machine industry, and the Linea PB is an excellent example of why. This stunning machine takes the much loved features of the Linea Classic and updates them to create the Linea PB. Internally, the PB features a dual boiler system, PID temperature control, volumetric controls, and independent brew boilers for each group. Paired with shot timers and