Bezzera Bz99s Manual [top] Jun 2026

The BZ99S is not a machine for the passive coffee drinker. It is a machine for the operator . To understand it is to understand the soul of traditional Italian espresso engineering: robust, repairable, and ruthlessly manual.

For home baristas and small café owners, few names command as much respect as Bezzera. As the company credited with patenting the first espresso machine in 1901, their engineering pedigree is undeniable. Among their most enduring models is the Bezzera BZ99S—a semi-professional machine that bridges the gap between domestic aesthetics and commercial durability.

| Interval | Task | Why | | :--- | :--- | :--- | | | Backflush with water only (10 cycles). | Removes coffee oils from 3-way valve. | | Weekly | Backflush with espresso machine detergent (Cafiza). Remove and soak shower screen. | Prevents rancid oil buildup. | | Monthly | Lubricate E61 cam and valve stems (Molykote 111). | Keeps lever smooth; prevents seizing. | | Quarterly | Descale boiler (citric acid or commercial descaler). Never run descaler through the pump. | Removes mineral scale from heating element. | | Yearly | Replace grouphead gasket (8.5mm E61 gasket). Replace water filter. | Stops portafilter leaks. | bezzera bz99s manual

Happy brewing from your BZ99S—the tank that refuses to die.

A: Yes. The "S" originally denoted a slightly updated solenoid layout. Parts are interchangeable. The BZ99S is not a machine for the passive coffee drinker

The BZ99S is renowned for its steaming power. The manual highlights the rotary knob operation, but technique requires practice.

Once the boiler is full, the machine will begin heating. For home baristas and small café owners, few

. While Bezzera provides modern manuals for current lines like the BZ13 or Duo, owners of the older BZ99S often rely on legacy documentation and community guides. Core Operation Guide

Since Bezzera no longer actively publishes the original BZ99S paper manual, this article serves as the ultimate living manual. We will cover operation, programming (if applicable), maintenance schedules, troubleshooting, and where to find PDF schematics.