Operating and installing a rainwater harvesting system

A rainwater harvesting system will cut your home's demand for drinking water by up to 50% and therefore also protect the environment. Using rainwater for toilet flushing, washing machines and watering the garden saves precious drinking water. A GRAF rainwater harvesting system is a reliable part of modern home technology. It is easy to install thanks to intelligent components and the GRAF module system and will provide you with a supply of totally clean and free rainwater.