Pressure Switch Original Automatic Water Pump Jet Pump Switch Heavy-Duty Pressure Controllor

This switch is used in conjunction with a pressure tank and four-way components to automatically turn on and off the water pump according to changes in pressure inside the pipeline, achieving unmanned control. If your water pump is not equipped with a pressure tank (gas tank); Or if your original water pump did not have a pressure switch, please do not purchase it separately. Usually used for replacement, just replace what was used before.. If it's not the same before, then it's uncertain. If your water pump is not equipped with a pressure tank (gas tank); Mechanical pressure switches must be equipped with pressure tanks, and a water stop valve ust be installed at the inletSwitch principle: Low pressure start (power on), high pressure stop (power off). This switch is used in conjunction with a pressure tank and four-way components to automatically turn on and off the water pump according to changes in pressure inside the pipeline, achieving unmanned control