1,Stable performance; induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed. 2,High temperature resistant materials allows the product to be used for both hot(up to 70℃) and cold water. 3,Low water pressure startup; reset spring is made of stainless steel; it can start up pump when water pressure is >0.03KG. 4,The electronic components as control device will not cause spark during work which is quite safe. 5,This product is widely used for low pressure area family, especially important for low water pressure ignition start-up of water heater, automatic water cycle of solar water heater. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.