The Progress is a low power consumption watermaker, which needs 12 or 24 Vdc. Excellent for boats without generator on board. It can also work when fed by batteries provided with an aeolic generator or photovoltaic panels; it's easy to install and to use, and it needs a limited maintenance.
Progress is very compacted, consisting of stainless structure units; it has electronic control units with lighting LED signals. It is provided with a control system (with automatic blockage) against an excessive operating pressure, and reverse polarity.