Pool School · Backwash Valves
Push-Pull Valve in Backwash Position DE Filter
Backwash – Push-Pull Valves
Push-Pull Valve in Backwash Position
In the diagram below, there is a DE filter with a plunger valve in the backwash position. The plunger valve takes the water backwards through the filter grids. It flushes the dirt and DE off of the grids and takes the water out through the sewer line.
