Bezzera Nini S PID DE

Bezzera Nini S PID DE — Compact Heat Exchanger Espresso Machine with PID and Volumetric Dosing

You place the cup under the spout and press one of the four volumetric buttons. The pump starts, water flows through the heat exchanger, and the extraction begins—the shot timer on the display counts along. 27 seconds, the volume is reached, the pump stops automatically. On the display, you see the exact extraction time and the set temperature. You remove the cup from the drip tray. In the background, you hear the machine regulating itself to its target temperature—quietly, precisely, Italian.

That's the Bezzera Nini S PID DE in everyday use. A semi-professional single-boiler heat exchanger espresso machine from Milan, built for home use in a form that fits any kitchen—25 centimeters wide, 36 centimeters high, 20 kilograms. PID temperature control with integrated shot timer, volumetric dosing with programmable shot volumes, external OPV (Over-Pressure-Valve) for brew pressure adjustment, and the well-known Bezzera character: solid, compact, Italian. Available in black in our CCC range.

Bezzera has been building espresso machines in Milan since 1901. The Nini series is the latest generation of semi-professional home machines—an attempt to translate classic Italian Bezzera technology into a truly compact format, without descending into the plastic or thermoblock realm.

Heat Exchanger System — what that means in practice

The Nini is a heat exchanger (HX) machine. Inside, there's a 1.5-liter boiler with hot water for steam and a stainless steel tube running through it for the brew water. When you start an extraction, fresh water from the tank flows through this tube, is brought to brewing temperature by the surrounding boiler water, and hits the puck. The boiler water itself never comes into contact with the espresso.

The advantage over a pure single boiler: you can extract espresso and steam milk without switching between processes or waiting for the machine to re-temper. The compromise: HX machines require a "cooling flush" before the first shot of the day, because the water in the heat exchanger tube gets too hot after a long idle period. With active PID control, this is significantly mitigated but still part of the ritual.

The heat-up time is around 20 minutes—typical for heat exchanger machines. After 20 minutes, not only the boiler water but also the group head (E61) is at operating temperature. Those who use the machine daily can set it to automatically power up in the morning via a timer switch.

PID and Volumetric Dosing — what distinguishes the "S PID DE" version

At a glance

Where the Bezzera Nini is positioned

The Nini positions itself as a compact HX home machine with PID—a middle ground between a reductive single boiler and a stationary dual boiler. Anyone who needs steam for cappuccino or latte but doesn't want a dual boiler format will find an honest solution in the Nini. Those seeking maximum temperature stability for light single origins will find a Synchronika or GS3 closer to their needs. Both paths are legitimate.

Who buys the Bezzera Nini?

We regularly see three profiles in the showroom:

Home setup with space limitations. 25 centimeters in width is significantly narrower than most home espresso machines. Anyone with a kitchen counter with limited depth, looking to set up an espresso bar in a rental apartment, or simply not wanting a machine with a large footprint, will find an honest solution with a genuine E61 group head in the Nini.

Daily driver with cappuccino needs. Those who pull one or two espressos and a cappuccino in the morning benefit from the heat exchanger concept—espresso and steam in parallel, without switching time. With PID and volumetric dosing, the workflow becomes consistent.

Lovers of Italian espresso tradition. Bezzera has been a name in Milan since 1901—the brand that holds the 1901 espresso patent. Anyone who wants a piece of Italian machine history in their kitchen, without moving into the HoReCa sector, has the right platform here.

Bean recommendations for the Nini

HX machines with E61 show their strength with medium to darker roasts, because the brew group operates a bit warmer than a well-cooled single boiler. From showroom practice:

• Cozy Chocolate — Brazilian Natural with dense chocolate. Classic 9-bar extraction, the HX warmth enhances the full mouthfeel.
• Nutty Delight — Blend of Brazil and India. Daily-driver, balanced, full-bodied. Once set with volumetric dosing, always reproducible.
• Very Nutty — for those seeking maximum body without acidity, for cappuccino or latte. Works particularly well on the Nini.
• Wild Peach — light omniroast with peach notes. On the Nini, make the cooling flush a bit longer before the first shot and reduce PID to 92 °C, then the aromas open cleanly. A bean for the adventurous cup, not for every day.

Matching grinders and accessories

An espresso-capable grinder is essential for clean extractions. From our range, these are particularly suitable:

• Varia VS4 — Single-dose, 53mm conical burr grinder, variable speed. Daily-driver partner for the Nini.
• Varia VS6 — for those who want to enter the endgame class, with larger burrs.
• Eureka Grinders — Italian tradition for the Italian classic, fits well with the Nini aesthetic.
• Mahlkönig E64 WS — Professional single-dose with 64 mm burrs.

For precise dosing, we recommend Acaia Lunar as a premium option or Normcore scales as a more affordable alternative.

Ordering, Delivery, and Consultation

The Bezzera Nini S PID DE can be ordered online from the Coffee Coaching Club or picked up at the showroom in Zurich Oerlikon or Bern. Delivery throughout Switzerland and Liechtenstein in 2–4 working days. Financing possible via Heylight.

When purchasing a Bezzera Nini, an introductory course (approx. 60 minutes) is included—we will go through the cooling flush workflow, PID settings, volumetric programming, and dial-in together with you, in Bern, Zurich, or online. This significantly shortens your learning curve with an HX machine.

Frequently Asked Questions

What is a heat exchanger machine?

A machine with a boiler that holds hot water for steam and simultaneously heats fresh water from the tank to brewing temperature via a stainless steel tube running through the boiler. The boiler water never comes into contact with the espresso. Advantage over single boilers: espresso and steam in parallel without switching.

Do I need a cooling flush?

Yes, before the first shot of the day. After a long idle period, the water in the heat exchanger tube is too hot. Let 1–3 seconds of water flow through the group head using the manual continuous button, then start the extraction. With active PID control, the cooling flush routine is shorter than with pure pressostat HX machines.

How long is the heat-up time?

Around 20 minutes—typical for heat exchanger machines with E61 group heads. Those who use it daily can switch it on automatically in the morning via a timer switch.

Which color and version do you have in stock?

In the CCC range, we offer the Bezzera Nini S PID DE in black with PID temperature control and volumetric dosing. For other colors or versions, please email us: office@coffeecoachingclub.ch.

What do "DE" and "PM" mean for Bezzera?

DE stands for Dosatura Elettronica—volumetric dosing with programmable extraction buttons and automatic stop. PM stands for Pulsantiera Manuale—manual start/stop control without volumetric dosing.

Can I connect the Bezzera Nini to a fixed water supply?

The Nini is designed as a tank machine. A direct fixed water solution is not provided ex works. Bezzera's HoReCa models offer direct water connections—we will gladly advise you on these if needed.

Which grinder is suitable for the Bezzera Nini?

Any espresso-capable grinder with fine grind adjustment. Recommendations from our range: Varia VS4, Eureka Mignon series, Mahlkönig E64 WS. For pour-over workflows, a Comandante C40 MK4 complements well.

Can I do pressure profiling on the Nini?

With the optional Flow Control Kit (BZ-Group, available on request for PID versions), the brew flow can be manually controlled during extraction—this is a form of analog pressure profiling control. Third-party pressure sensors are compatible.

How maintenance-intensive is the Nini?

Daily backflushing without cleaning agents, backflushing with cleaning agents every approximately 50 extractions (5 min). E61 group heads are very robust and easy to maintain—gaskets and shower screens can be replaced easily. We have spare parts in stock.

Do you offer Swiss service and warranty?

Yes. Coffee Coaching Club is a Bezzera partner for Switzerland. Swiss on-site service in Bern and Zurich Oerlikon, spare parts in stock, personal support. For questions: office@coffeecoachingclub.ch.