Automatic Water Pump Pressure Switch Energy-saving Universal Water Pump Switch Controller Thread Booster Pump New and High Quality Type: Switch Material: ABS+Metal Color:Grey Size:73*50mm(2.87*1.97in) Package Includes:1Pc Automatic Water Pump Pressure Switch Feature: 1.Suitable for a variety of water pumps: This automatic pressure switch pump pressure controller is designed to work with hot and cold water fully automatic self-priming pumps, jet pumps, garden pumps, clean water pumps, and other water pumps. It seamlessly opens and closes the water pump based on the pressure changes in the pipeline, enabling unmanned control and stable performance of the working cylinder. This feature not only protects the machine but also saves power consumption. 2.Silver double-contact clutch for reliable performance: The pressure rating of this controller is backed by a silver double-contact clutch, which ensures optimal strength, stability, and reliability. With a long service life, you can rely on this controller to efficiently regulate the water pressure in your system. 3.Remove the screws on the plastic cover. Adjust the pressure to "+" for fine-tuning, and adjust the pressure to "-" for fine-tuning. 4.Reliable materials for durability: Made from ABS and metal, this pressure switch pump pressure controller . Its sturdy construction ensures resistance to wear and tear, even in demanding conditions, and offers reliable performance over an extended period. Tips: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!