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Thread: DE Filter Problem - Fixed

  1. #1
    Join Date
    Dec 1969

    Default DE Filter Problem - Fixed

    It all started early this spring. Because of the fecal material from my neighbor's trees, I always remove the filter element assembly and wash it out in the spring. The filter is a Hayward DE7220 with 8 elements.

    Because of shoulder surgery, I wasn't able to remove the filter assembly by myself, so my friend was going to do it. Unfortunately, it didn't go well. The outlet elbow o-ring was stretched out and was visible below the top collector manifold. Not good. He tried several times to lift the assembly to no avail.

    He then stood up on the rim of the lower filter body and pulled - it was really stuck. I told him to rock it from side to side. He did so, but did it vertically vs. the way I intended i.e. horizontally. I then cut the visible part of the o-ring and tried twisting it side to side and was able to lift it slightly. I then had him remove it all the way, and we cleaned it.

    It has been a bad spring, algae problems, the pool water never looked really sharp, and there was a lot of dirt and sand in spite of backflushing and vacuuming frequently. I then noticed that there was a lot of DE on the beach entry. Something was wrong with the filter.

    When I disassembled the filter, I found that the tips on 6 of the 8 elements were broken off, and several were stuck in the top collector manifold. Also the same manifold had a small crack in it. A new manifold and whole set of elements later and now the pool water is clear, and no junk on the bottom.

    Two things I'm passing on: 1) Replace the outlet elbow o-ring anytime you remove the filter. 2) If the thing ever gets stuck, be gentle on trying to remove it. (Only twist from side to side horizontally.)
    Last edited by wa2asb; 06-25-2010 at 04:46 PM. Reason: spelling fix

  2. #2
    waste is offline PF Support Team Whizbang Spinner waste 3 stars waste 3 stars waste 3 stars
    Join Date
    Dec 1969
    S.E Maine

    Thumbs up Re: DE Filter Problem - Fixed

    Thanks for the 'field report'!

    Sage advice!!
    Luv & Luk, Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill libraries

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