The universal mechanical pressure switch on this adjustable self-priming pump ensures it can be used in a wide range of application. Its automatic pressure boosting capability makes it a convenient and labor-saving solution for maintaining consistent water pressure. Made from durable plastic materials, it offers performance and reliability. The high-efficiency designs ensure stable operation, while the simple installation process and easy-to-use controls make it a practical choice for any setting. Trust in its reliable performance to meet your water pressure needs. Features -Color:Grey -Material:Zinc alloy -Size:8.00X4.70X4.70cm/3.14X1.85X1.85in -Selfadjusting pressure boost: automatically increases water pressure, delivering a consistent and powerful flow with minimal effort. -Wide compatibility: the mechanical pressure switch is designed to be compatible with a broad range of pumps, making it a versatile addition to any system. - stability: ensures a stable and continuous water pressure, reducing the need for frequent adjustments and maintenance. -Effortless installation: designed for easy and quick installation, allowing users to set it up without the need for professional assistance. -Robust plastic construction: made from study plastic, providing durability and resistance to wear, ensuring reliable performance over time. Package list: 1 x self-priming pump