Features PLASTIC MATERIAL: The pressure control switch is made of plastic material for strength and durability; large contacts, opens when the pressure rises and lasts longer. PRESSURE ADJUSTABLE FUNCTION: When the system pipeline pressure reaches the upper limit, the power supply is automatically cut off and the pump stops working; when the system pressure reaches the lower limit, the power supply is automatically switched on and the pump starts working. WATER PUMP CONTROLLER: This is a water pump pressure control switch for perfect pressure control; fully automatic control, no need for manual operation EASY TO USE: The water pressure control is easy to use, stable performance, protects the motor, saves power, and can be used for a long time. WIDE APPLICATION: Standard water well pump replacement switch, designed for self-priming pumps, jet pumps, garden pumps and water pumps. Specifications: Condition: Color: Black Material: Plastic Rated Voltage: 250V Maximum Current: 10A Pressure Range: 1.0-5.0bar Pressure Setting: 1.4-2.4bar 1.4-2.8bar Interface Thread: ZG1/4 G1/4 Protective Level: IP44 Working Temperature: 0-55 ° C Package List: 1 * Pump Pressure Switch Package List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.