I think BigDave is on the right track: verify that the backwash discharge line is not restricted -- possibly by cutting it, and connecting the backwash port to a backwash hose.
I think BigDave is on the right track: verify that the backwash discharge line is not restricted -- possibly by cutting it, and connecting the backwash port to a backwash hose.
PoolDoc / Ben
The waste setting does work
Where does the backwash go?
12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16
It comes out but at a very low rate - almost non-existent
In that case, I'd recommend opening the valve, and see if there are any internal obstructions. If the "Filter" position works, the piping IN the filter, almost has to be OK, but there could be something wrong internal to the valve.
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