1. EfficientThis water softener digital control valve adopts the siphon regeneration principle, which can automatically complete the regeneration according to the preset time (12 days). Except for adding regeneration salt regularly, it operates without manual operation and saves energy. Perfect for controlling your home's water purification system. 2. This digital control valve is made of high quality ABS and plastic, hard and wearresistant, not easy to deform and aging. It is lightweight and compact, easy to install. 3. Intelligent ControlThis water softener digital control valve is equipped with a simple operation panel with manual knob and clear numerical markings, which is easy for you to observe and operate. And you can precisely control the regeneration time and the degree of regeneration in each stage according to your needs to ensure stable water output. 4. Fast Water PurificationThis water softener can soften and purify water quickly and effectively, preventing damage to pipes and prolonging the life of household appliances such as washing machines, dishwashers, water heaters, etc. It also removes calcium, magnesium, and other harmful hard minerals that clog skin pores and cause skin allergies.