255/440i Clock Timer for Autotrol Valve The
Autotrol 255 valve features a rugge re-engineered design that uses less water,
runs quieter and lasts longer. Combined with the 440i Clock Timer.
255/960 Programmable Demand Meter Control The 960
Demand Meter Control paired with the solid performance of the 5 cycle 255
softener valve provides the ultimate in water conditioning efficiency.