Most of water pump in this catalogue can be composed and become automatic booster system. The pressure tank with a nontoxic rubber membrane, or called pressure vessel, has been pre-filling with air pressure of about 0.12 MPa before leave the factory. These systems 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 in this catalogue. These pumps should be installed in a covered area, protected against the weather.