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Backwash Valves

 

Visual Explanation of a D.E. Filter with a Push-Pull Valve on Filter Position 

 

DE Filter Push/Pull Valve (Backwash) Position: When the push/pull handle is in the up position, the filter reverses the flow allowing the dirty water to go out the waste line or backwash hose.

DE Filter Push/Pull Valve (Filter) Position: When the push/pull handle is in the down position the filter is filtering the water and returning it to the pool.

Visual Explanation of a Sand Filter with  a Push-Pull Valve in Backwash Position 

 

SAND Filter Push/Pull Valve (Backwash) Position: When the push/pull handle is in the down position the filter reverses the flow through the filter sending the dirt to the waste line or backwash hose.

SAND Filter Push/Pull Valve (Filter) Position: When the push/pull handle is in the up position the filter is filtering the water and returning it to the pool.