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Why would a DE pool pump surge water at 7 pounds then slow down at 15 pounds?

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Answered 2008-06-28 19:16:58

The ropes inside the filter have become blocked, not letting the clean water out at the desired rate of the out put of the pump. A: Firstly, the pool pump is not a DE pump. The pool pump is the one with the motor attached and a round pot like device attached to the motor with a basket inside. The DE FILTER or large tank type device is probably what you are talking about. At 15#'s the filter is overloaded with dirt and cannot pass the water thru it freely or with ease. And I am sure that you are talking about the flow of water thru the filter back to the pool slowing in this instance - right. Back wash the filter before it reaches 15#'s. k

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