B5 craftsmanship, adorned with special anniversary panels.
Like the GB5, a dynamic preheater assembly ensures that water entering the coffee boiler is at precisely 170° F. 170° F water replaces hot water exiting the group, reducing temperature swings in the coffee boiler. An algorithm-based PID temperature controller further reduces temperature fluctuation in the coffee boiler. A group cap designed by Piero Bambi and an integrated ruby flow restrictor reduces ch ...