How To Backwash A Pool With A Multiport Valve. After that, you can rerun the pump for a couple of minutes to remove the dirt that is blocking the sand. Again, turn the filter system off.
Backwashing a pool sand filter is a simple, straightforward process that involves switching the multiport valve setting of the pool sand filter to “backwash” then running the pump for a few minutes. Backwashing a sand or de filter is a simple task.
0400 MM Top Mounted Sand Filter BRAND BLUEWAVE
Backwashing serves a critical role in the health and efficacy of both sand and d.e. Backwashing with a multiport valve.