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Thread: Sand filter laterals

  1. Back To Top    #1

    Join Date
    Jul 2016
    Location
    Valparaiso, IN
    Posts
    27

    Sand filter laterals

    Grrrrrrrrr,

    It appears I need to replace the laterals in my Hayward sand filter. The pool was installed August 2016 and then closed Nov 2016. I read the manual, read the forums, and looked to see what my neighbors did with their sand filters. Everything pointed to leaving it outside over the winter.

    I drained it, then set it to the "winter" position on the valve.

    Well, opened a few weeks ago and blew a bunch of sand in the pool. Got it all cleaned up, and now every time I have to stop the pump for whatever reason and start it up again, a line of sand flows out of the return.

    $80 for a new lateral and the hassle of having to replace it. Not overally happy about it.

    Are these things so fragile that they break so easily?
    As far as the actual replacement procedure .....any words of advice?
    Aqua Leader 27' (54") 17,100 gallon, Hayward SW 256T sand filter, Hayward 2 hp 2-speed pump, water testing with a TF-100.

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    20,309

    Re: Sand filter laterals

    If the sand was wet, it could have frozen and when the ice expanded, it crushed the pipes.

    A shop vacuum makes short work of emptying the old sand. If you clean the vacuum tank real good before you start, you can just dump it out and reuse the same sand. There won't be any sawdust or nails or whatever else mixed in. Have a tarp or something spread out to pile the sand on while you work. When you go to refill, cover the standpipe with a plastic cup to keep the sand out.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  3. Back To Top    #3

    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,952

    Re: Sand filter laterals

    Pop the top of that filter before you buy new laterals. You could have a dislocated standpipe or perhaps some other issue that is causing the sand to get out. Visually inspect the condition of the laterals.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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