Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 3 of 3

Thread: Gasket, or something else?

  1. Back To Top    #1
    Slartibartfast's Avatar
    Join Date
    May 2016
    Location
    Carp (Ottawa), Ontario
    Posts
    6

    Gasket, or something else?

    Hi everyone, I'd like to thank you for all the helpful advice so far for a new member. Since Sunday, my pool has gone from what could easily be 20K gallons of The Incredible Hulk's vomit, to a nice shade of milky blue (it's getting there).

    My issue now is that when vacuuming, dirty water is spewing out the return jet. So, can I assume it's the gasket? The filter seems to function properly in every other way, and yes it gets thorooughly backwashed and rinsed, but this "leak" of dirty water back into the return seems to me a sign of something awry in the internals of the filter head. I'm very mechanically inclined, so I have no problem working on the gear, I just don't yet totally understand it since my experience is with internal combustion engines. I'm guessing the main gasket on the head of the sand filter is like a head gasket on a car or motorcycle.

    Does this seem a likely culprit?

    Thanks again
    20k Gallon Above ground, SWG - Hayward sand filter and pump.

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Gasket, or something else?

    Quote Originally Posted by Slartibartfast View Post
    Hi everyone, I'd like to thank you for all the helpful advice so far for a new member. Since Sunday, my pool has gone from what could easily be 20K gallons of The Incredible Hulk's vomit, to a nice shade of milky blue (it's getting there).

    My issue now is that when vacuuming, dirty water is spewing out the return jet. So, can I assume it's the gasket? The filter seems to function properly in every other way, and yes it gets thorooughly backwashed and rinsed, but this "leak" of dirty water back into the return seems to me a sign of something awry in the internals of the filter head. I'm very mechanically inclined, so I have no problem working on the gear, I just don't yet totally understand it since my experience is with internal combustion engines. I'm guessing the main gasket on the head of the sand filter is like a head gasket on a car or motorcycle.

    Does this seem a likely culprit?

    Thanks again
    The spider gasket in the head could be the problem. Google it or use the search box here and you'll find a bunch of stuff. It's just a funny-shaped O-ring. Typically if it fails, the first sign is water leaking out the waste port when it's supposed to be filtering.

    It's also possible that the sand clumped and when you backwashed, you got the clods jumbled which leaves channels between them. Then nothing filters. Deep Cleaning a Sand Filter has some good illustrations and directions.
    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
    Texas Splash's Avatar
    Join Date
    Jun 2014
    Location
    South-Central Texas, Marion/San Antonio
    Posts
    12,970

    Re: Gasket, or something else?

    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •