Preval Water & Energy Systems

Preval® manufactures water and energy saving products that have been sold and installed worldwide since 1980. With us you can reduce your water consumption up to 70 without less of comfort. Using less water is not only environmentally friendly you also get the added benefit of saving the energy required to heat the additional water you would normally use. So Co2 will be reduced as well. Our water saving valves are silver plated. This reduce legionellaand germs up to 100. Preval® has as only water saving company the international drinking water hygiene certification ASTM 52149-13a. Our valves are durable and autoclavable. With us you have the opportunity to reduce germs, bacterias and our priority is also the human health. With Preval® it is possible to regulate the water consumption individually and stepless. All of our products are manufactured in Germany in our own factory. Every valve is assembled by hand. Cuphin, silver, made in germany and no plastic parts makes our quality.