Uxcell a14070700ux0320 Female to Male Circulation Pump Water Flow Sensor Switch, 120W, 26 mm, 26 mm
Used for water heaters, automatic water dispensers, good flow monitor devices.
The contact(the 2 wires) of the switch is normally open, it shifts to be closed when water flows through the the sensor. it can be used to control the live wire for a water booster pump at home to increase the water pressure.
TitleUxcell a14070700ux0320 Female to Male Circulation Pump Water Flow Sensor Switch, 120W, 26 mm, 26 mm