Bezzera Bz99s Manual Apr 2026

The E61 group is a thermosyphon, meaning hot water circulates through it constantly. In a home environment, this often leads to overheating the group. Before pulling a shot, you must perform a "cooling flush"—running water through the group without the portafilter until the sputtering stops and a smooth flow emerges. This is non-negotiable.

Descale is not optional. Because the boiler is so large, scale buildup will eventually kill the heating element. If you buy a used one, be prepared to open it up. Also, the toggle switches are rated for 15 amps, but they fail after 15 years. Replacing them requires a soldering iron. bezzera bz99s manual

In the pantheon of home espresso machines, few have earned the quiet reverence of the Bezzera BZ99S. At a glance, it looks like a relic from a 1980s Milanese bar. There are no LCD screens, no programmable volumetric buttons, and no pressure profiling. Instead, you are greeted by chunky chrome toggle switches, a massive chrome lever, and a naked, industrial presence that dares you to master it. The E61 group is a thermosyphon, meaning hot