25df5648_er_Distribution___BetterBricks_for_Water_Distribution_Systems_Description
[Comments] Observe the valves moving through their full range from closed to 100% open. Back off one-half turn from 100% open to prevent the valve from "freezing" in the full open position. [Maintenance Frequency] Annually [Description] 
Cycle valves
Water Distribution | BetterBricks
Description