Features Automatic Control: This pressure tank kit is designed for automatic water pump start and stop operation, and automatically opens and closes the pump according to the change of pressure in the pipeline to achieve unmanned control. ABS, Metal Material: Made of premium ABS, metal material, this pressure tank kit is strong and sturdy, corrosion resistant, which ensures a long life span. Standard Size: This pressure tank, air compressor check valve, water pump control switch are well made with standard size for tight sealing and no leakage, you can choose them with confidence! Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. Ideal Replacement: This pressure tank kit can be easily installed, ideal replacement for the old and damaged parts. Specification: Item Type: Pressure Tank Check Valve Kit Material: ABS, Metal Rated Voltage: 110V-230V Widely Used: Self priming pumps, jet pumps, garden pumps, clean water pumps, etc. Features: Automatically open and close the water pump according to the change of pipeline pressure to achieve unmanned control. Package List:1 x Water Pump Control Switch1 x Pressure Tank 1 x Air Compressor Check Valve Note:Pay attention to safety when installing. Package List 1 x Water Pump Control Switch 1 x Pressure Tank 1 x Air Compressor Check Valve