and The pressure is suitable for cold and hot water automatic self-priming pumps, pumps, garden pumps, water pumps and other water pumps. It can automatically turn on and off the water pumps according to the changes in the pressure in the pipeline to achieve unmanned control. The operating cylinder has stable and for The machine saves power consumption. Pressure : 1.0-1.8KG (suitable for 125W), 1.5-2.2KG (suitable for 250W 300W 371W). : 110V/230V; current: /5A. Package includes: 1x Pressure