Hardly used Flotec Waterpress INOX 1000 24L Booster Set is used for boosting home water pressure where natural water pressure is inadequate. The booster pumps are made from Stainless Steel and the tanks have a food grade membrane to avoid water contact with the tank walls. These pump sets are suitable for clear water with a maximum temperature of 35-50°C dependent on model. Not suitable for Sea water or corrosive.