Automatic distribution valves are mechanically operated and sequentially redirect the pump’s flow to multiple zones in a distribution field or treatment field. Valve actuation is done by a combination of pressure and flow. These valve assemblies allow the use of smaller horsepower pumps on large sand filters and drainfields. With the use of a high head effluent pump and pump vault to provide pressure and meet flow requirements and prevent debris from fouling valve operation. An ideal valve location is at a high point in the system. For more information on distributing valves please contact us.