Multiport Valve

The multiport valve is a swimming pool systems most important piece of equipment. The multiport valve is also known as a Vari-Flo valve, backwash valve, or filter control valve. It is important that it operates easily and properly. Some of the common problems caused by a malfunctioning multiport valve include water leaking out of the backwash line, dirt returning to the pool when vacuuming, and water that never clears up.