Feature:1: This water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to achieve automatic control and switch on or off booster pump.2: 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.3: High Temperature Resistant: gains materials allows the product to be used for both hot(up to 70) and cold water.4: High Sensitivity: low water pressure startup, return spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG.5: Safe and convenient to use: water flow switch with G1 thread brass connector, convenient to install.6: Electronic components are used as the control devices to make the product no spark and completely enclosed in the work.Specifics:Condition: 100% Brand NewModel: HT-800Working Voltage: 220VWorking Current: 1.6AMax. Current: 4AConnection Thread: G1"Max. Power: 200WLifespan: >100,000 timesSuitable Liquid: Water or other liquid of similar physical and chemical propertyLiquid Pressure: