The automatic booster systems consists of a water pump, a membrane tank, a pressure gauge and a pressure switch. 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. For details of the pump construction, please refer to the relevant pages this catalogue. These pumps should be installed in a covered area, protected against the weather.