The automatic booster systems consist of a water pump, an airtight pressure tank, a pressure gauge and a pressure switch. Most of water pump in this catalogue can be composed and become automatic booster system. The pressure tank with a non-toxic rubber membrane, or called pressure vessel, has been pre-filling with air pressure of about 0.12mpa before leaving the factory. These system give suitable mains water pressure as required by modern domestic appliances and industrial applications, and will ensure enough water to supply all user outlets.