It provides hot, cold and 108°C filtered boiling water from a single tap when used with the PRO3 tank. When combined with the CUBE, it also provides filtered chilled and filtered sparkling water.

The Classic Fusion Round is available in polished chrome (CHR), stainless steel (RVS) and patinated brass (PTN).

The tap has a child–proof double push–and–turn handle for controlling boiling water. The PRO3 tank includes a maximum temperature and pressure relief valve set at 8 bar.

For the PRO3 installation, the minimum mains and hot water pressure is 200kPa (2 bar), with a recommended pressure of 200–400kPa (2–4 bar). For the CUBE, minimum water pressure is 200kPa (2bar) and maximum water and CO₂ pressure is 400 kPa (4bar).

The PRO3 tank operates at 230V with 1600W wattage, has a 3 litre capacity, an average heating–up time of 10 minutes, and an average stand–by power consumption of 10W. It has a height of 46,7cm, a total height requirement of 54cm and a diameter of 15cm.

The CUBE operates at 220–240 V with 100 W wattage. It has a chilling time of 30 min (average) and a standby consumption of 5 W (average). The tank height is 50 cm, width 15,3 cm (22,3cm including the CO₂ cylinder) and depth 27 cm (34cm including the CO₂ cylinder).