Merry Tools Water Booster Pump 90w Automatic On-Off Pressure Control Switch Power source Corded Electric Copper wire, copper impeller and stainless steel body, durable and for long time service Auto or Manual activate switch modes. it boosts pressure automatically (up to 1Bar) when the tap is on, and turn off when the tap is off Suitable for shower rooms, washing machines, gardens and other applications Can be fitted to water tanks, wells, pools & other water supply source
eBay