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Pressure switch 1.5kW 1.4-2.2 bar cylinder (nut) WETRON (779729) allows maintaining stable pressure in the water supply system, which is important for the correct operation of plumbing devices and protection against excess pressure. Using a pressure switch helps reduce electricity and water consumption, protects pumps from excessive operation and premature failure. The relay contacts are silver-plated, ensuring high reliability and long service life. Functions: - automatic on/off of the pump depending on set pressure - adjustable on/off pressure range