Booster water systems gives you constant water pressure. Can be used for applications requiring re-pressurizing water from a storage tank. It combines a small variable frequency drive, a stainless steel multi-stage pump and a small bladder tank in a self-contained, easy-to-install package. Booster water systems set for water supply in light commercial applications. Pump materials in contact with the liquid are in stainless steel AISI 304 or 316ss