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    axanut2008's Avatar
    axanut2008 Posts: 3, Reputation: 1
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    #1

    May 23, 2008, 05:51 AM
    De blowing through return to pool
    Have a hayward de filter that is blowing de back to pool... just replaced grids.. found a few hairline cracks in manifold , have ordered another one , for now I sealed the cracks with epoxy,, it seems that when I set the grid assembly back onto the outlet pipe it doesn't seat snugly, replaced the o ring already, the de is being pulled from the tank somehow obviously and being sent back to pool via the return?. any thoughts out there as to what else I could look at as the problem
    ballengerb1's Avatar
    ballengerb1 Posts: 27,379, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #2

    May 23, 2008, 09:05 AM
    You have described several things that can cause earth to be blown into the pool. The grids can be difficult to seat and who know how perefcet your epoxy patch job is. Grease that O ring with plumbers grease to help it seat more easily.
    axanut2008's Avatar
    axanut2008 Posts: 3, Reputation: 1
    New Member
     
    #3

    May 23, 2008, 09:34 AM
    Quote Originally Posted by axanut2008
    have a hayward de filter that is blowing de back to pool....just replaced grids..found a few hairline cracks in manifold , have ordered another one , for now i sealed the cracks with epoxy,,,it seems that when i set the grid assembly back onto the outlet pipe it doesnt seat snugly, replaced the o ring already, the de is being pulled from the tank somehow obviously and being sent back to pool via the return????......any thoughts out there as to what else i could look at as the problem
    Thanks... wanted to get through the weekend and then tear down and install new manifold , will be very careful inserting the grids and hopefully this problem is history
    ballengerb1's Avatar
    ballengerb1 Posts: 27,379, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #4

    May 23, 2008, 10:24 AM
    I have had two Haywards. The first one thr original grid were still fine after 20 years. The second failed after 3 seasons, go figure.

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