1.: The time clock control valve is made of highquality ABS and plastic. It is sturdy, practical and not easily deformed, so it has a long life.This topmounted valve is easy to install. You only need to install all accessories in the box together according to the instructions. It can be put into use quickly. 2.Effectively Working: It adopts the principle of siphon regeneration, which can save energy and improve work efficiency. It can automatically complete the regeneration according to the preset time. In addition to regularly adding regenerated salt, there isn't a need for manual operation during operation, which saves you effort. 3.Useful Assistant: It can reduce water hardness, eliminate the accumulation of scale, prevent damage to pipelines, extend the life of household appliances such as washing machines, dishwashers, and water heaters, and also remove harmful hard minerals such as calcium and magnesium that clog skin pores and cause skin allergies. 4.Easy to Clean: Due to its smooth surface and small size (7.283.548.27in), you can easily clean it without spending too much effort and time.