If the tank is physically overflowing with water, you need to remove the excess before the system can reset:

: The "Demand Regeneration" computer tracks water usage and only cycles when necessary, saving both water and salt compared to timer-based units .

If your water is hard and your current unit is over 10 years old, the 40278 Full assembly is your go-to solution for restoring silky, scale-free water throughout your home.