Your faucet turns on or off and the pump turns on or off automatically. Turn on the faucet before turning on the pump to ensure water flows through the pump. The small machine does not start automatically when water is flowing. You can press the switch button to switch to low-pressure mode operation to ensure that small flows can be started. Water booster pumps are mainly used to increase the water pressure in bathroom showers, water dispensers, toilets, water heaters, solar systems, etc. It can also be used to increase the water pressure in the faucet in the kitchen and agricultural irrigation.