Espresso coffee maker Adler AD 4421 — 15 bar pump, black housing

Adler AD 4421 is an espresso coffee maker with a 15 bar pump pressure in a compact black housing. Designed for home and small office environments, it delivers rapid heating and stable extraction to produce espresso with a pronounced crema. The unit offers straightforward controls and a compact footprint for placement on kitchen counters or office beverage areas, while surfaces are easy to wipe clean after use.

Advantages

The 15 bar pump ensures consistent pressure for reliable extraction and crema performance. A compact black housing combines with simple operation to suit users who need quick espresso shots without complex settings. The machine reaches brewing temperature quickly, reducing wait time between preparations, and its removable parts support easy cleaning and maintenance.

Suitable for

• Home espresso preparation for individuals or families
• Small office kitchens and shared workspaces
• Daily preparation of espresso and coffee-based drinks such as cappuccino and latte
• Users who prefer a compact machine with straightforward controls

Key specifications

• Pump pressure: 15 bar for stable extraction and crema formation
• Housing color and finish: black, compact design for limited counter space
• Heating: rapid heat-up for shorter wait times between brews
• Operation: simple control interface suitable for everyday use
• Maintenance: removable components for easy cleaning
• Recommended environment: home and small office use

How to use

Fill the water reservoir with fresh water, insert the portafilter with the desired amount of ground coffee, and secure it in place. Turn the machine on and allow it to reach the brewing temperature. Start the pump to extract espresso and stop when the desired volume and crema are achieved. For milk-based drinks, steam or froth milk separately if the machine includes a frothing accessory, then combine with the espresso.

Recommendations

Use freshly ground coffee and a level tamp to improve extraction consistency. Clean removable parts regularly and descale according to water hardness to maintain heating performance and flavor stability.