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The automatic controller for water pump is an intelligent pump control device installed on the pipeline. It can start and stop the pump according to the varied data such as water resource condition and pipeline pressure it detected. It can completely replace the traditional system constructed by pressure tank, pressure switch, water shortage protection devices, check valve and four-way valves. The particular patented check valve device can prevent the possible surging in the system. Pressure gauge shows system pressure variation and its inlet and outlet are assembled in 90°right angle. The starting flow is 80-160L/h and can satisfy any need for home and garden sprinkling irrigation application.Technical parameters Rated Voltage: 220V-240V 110V-120V Frequency: 50/60Hz Max.Current: 10A Max.Power: 1.1kw,2.2kw Starting Pressure Setting:1.2bar, 1.5bar ,2.2bar Max.Working Pressure: 10bar Connection Thread: R1" Protection Rating: IP65 Max.Working Temperature: 60°C