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Thread: Hayward S310T2 Filter Standpipe Length

  1. Back To Top    #1

    Join Date
    Apr 2015
    Location
    Tulsa, OK
    Posts
    11

    Hayward S310T2 Filter Standpipe Length

    We are in the process of having the stone coping replaced with a stamped concrete coping. Of course this means lots of "garbage" in the pool. When all is said and done, after the pool clears up, I plan on replacing the sand in our Hayward S310T2 filter. I'm going to also replace the laterals and standpipe assembly as well as the multi-port valve on top. All of which are a little over 6 years old and were poorly maintained by the previous owner.

    I ordered the valve and lateral assembly, they arrived today. The lateral assembly is listed as the SX310DA2 and is advertised as being a 31-inch standpipe. Upon measuring the assembly it is exactly 30-inches top to bottom, including the black later line assembly at the bottom. Is that correct? It came in an unopened Hayward box with the correct part number on it. I just don't want to be halfway through a sand change and find out it's an inch short.

    Any advice here would be greatly appreciated. Thank you,
    Kurt
    44k gal, IG gunite/plaster, spillover spa, waterfall features, OmniLogic automation, TriStar VS pump (filter), 1.5HP TriStar pump (waterfalls), Hayward S310T2 sand filter, TurboCell-15 SWG, Hayward H400FDN gas heater, Dolphin Z5 cleaner, TF-100 test kit.

  2. Back To Top    #2

    Join Date
    Apr 2015
    Location
    Tulsa, OK
    Posts
    11

    Re: Hayward S310T2 Filter Standpipe Length

    I emailed Hayward tech support and they said that while I do have the correct part number, SX310DA2, that the assembly should indeed be 31" tall. They suggested I contact the retailer (Amazon) to get the part exchanged for the correct part.

    I plan to change out the sand this weekend. I'll measure the existing standpipe assembly when I remove it. Worst case I'll "engineer" the standpipe with a coupler and a lil more 2" sched 40 PVC. I'll update this thread with my findings.
    44k gal, IG gunite/plaster, spillover spa, waterfall features, OmniLogic automation, TriStar VS pump (filter), 1.5HP TriStar pump (waterfalls), Hayward S310T2 sand filter, TurboCell-15 SWG, Hayward H400FDN gas heater, Dolphin Z5 cleaner, TF-100 test kit.

  3. Back To Top    #3

    Join Date
    Apr 2015
    Location
    Tulsa, OK
    Posts
    11

    Re: Hayward S310T2 Filter Standpipe Length

    Follow up...

    We removed the old sand from filter and removed the old lateral/standpipe assembly. I measured it at 29.5 inches. It appears there's a little leeway in the height of the standpipe, so I wasn't so concerned about using the 30 inch assembly I received. We installed the new 30 inch assembly, added pea gravel and sand, new multi-port valve, reattached PVC pipes, back-washed, and then filtered as normal. Everything works perfect.
    44k gal, IG gunite/plaster, spillover spa, waterfall features, OmniLogic automation, TriStar VS pump (filter), 1.5HP TriStar pump (waterfalls), Hayward S310T2 sand filter, TurboCell-15 SWG, Hayward H400FDN gas heater, Dolphin Z5 cleaner, TF-100 test kit.

  4. Back To Top    #4
    cjpwalker's Avatar
    Join Date
    Aug 2016
    Location
    Yakima, WA
    Posts
    170

    Re: Hayward S310T2 Filter Standpipe Length

    Glad I could help! Lol... Thanks for the followup and info, though.
    Chris | 16' x 34' 16,000 gallon | IG Vinyl | Pentair Tagelus sand filter | Jandy 2hp epump | AquaPro PRO1300 heat pump | Coverstar auto cover | Taylor K-2006 | built August, 2016.

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