The Booster Silent is the world's quietest (67 dB) multi-impeller (3-4-5) self-priming pump. It features integral electronics, an integral check valve on suction, a manual and automatic reset, and is used for water supplies in homes and gardens. Dry running is prevented by the electronic safety device. Automatic starting and stopping is facilitated when the tap is turned on or off. It is supplied with a 2 l tank plus power cable and plug.