Working principleThis water flow switch uses magnetic water flow control device and on-off control sensing elements, to turn on or off the pump > Stable performanceThe induction chamber, magnetic control chamber and electronics of this flow sensor switch are designed separately to avoid switch failure caused by iron matter in the pipeline is magnetic adsorbed Applicable objectsThis flow control switch is widely used for low pressure area family, especially important for water heater low water pressure ignition start , the solar water heater automatic water cycle AdvantageHigh temperature resistant materials allow the product to be used for both hot water (up to 70) and cold water. Electronic components as a control device does not cause a spark during work, which is quite safe Features The automatic flow meter has a low water pressure start and the reset spring is made of high quality stainless steel; it can start the pump when the water pressure is> 0.03kg