Features Automatic Operation: This switch can automatically open and close the water pump according to the change of pressure in the pipeline to realize unmanned control. Pressure Adjustable: The water pump pressure can be adjusted through the water pump pressure switch, and you can set the adaptive pressure according to the work demand. Corrosion Resistance: Made of premium ABS, and metal material, this switch is more corrosion resistant, possesses longer life. Wide Application: This pump switch can be widely used in self priming pump, jet pump, garden pump, clean water pump, etc. Ideal Replacement: This pump switch with automatic performance is an ideal replacement for the old and damaged parts. Specification: Item Type: Water Pump Control Switch Material: ABS, Metal Rated Voltage: 110V-230V Maximum Current: 12A, 6A Pressure Range: 0.8 to 5. 0bar Pressure Setting: 1.4 to 2.8bar, 2.1 to 3.5bar, 1.4 to 4.2bar Interface Thread: ZG1/4in  Protection Grade: IP20 Operating Temperature: 0 to 55℃ Widely Used: Self priming pump, jet pump, garden pump, clean water pump, etc. Features: The water pump can be automatically opened and closed according to the change of pipeline pressure, realizing unmanned control. Package List: 1 x Water Pump Control Switch Note: Pay attention to safety during installation. Package List 1 x Water Pump Control Switch