The Watermate 3.2 series water conditioning 

system has a solid state controller for on demand

soft water 24-hours a day. The valve body is

non-corrosize Noryl and uses 24 volts for it's

electronics. With a twin unit 100% of capacity is

available because there is no reserve. When one

tank is depleted of soft water , it switches to the

other tank and regenerates immediately. It also

regenerates with soft water for increased

efficiency and keeps your salt tank cleaner. It

uses less than $2.00 of electricity per year. It is

available in many sizes and can be used in many applications.