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Thread: Sand filter laterals question

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    Sand filter laterals question

    I have a Waterway high rate sand filter (26" i believe). I just started up the pool this year and noticed some sand on the bottom of the pool after i got the water cleared up from green.
    When I removed the valve and inspected the laterals they were all intact but the piece that they fit into was separated in half. I can get the laterals to screw into it still and hold it together but when i put it back in and hooked it up it started shooting way more sand into the pool.
    I guess what im really wondering is if the piece the laterals screw into is supposed to be in two separate pieces or is it one solid piece?
    The sand filter was bought used 2 years ago and has worked every year that i have had it.
    Teri
    16K gallon in ground pebble tec pool
    Hayward 1HP pump and C1750 Cartridge
    3 Fafco Solar Panels

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    Mod Squad Bama Rambler's Avatar
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    Re: Sand filter laterals question

    It should be one piece. It's actually two pieces but they're glued together.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Sand filter laterals question

    can it just be glued back together or should i buy a replacement.
    Teri
    16K gallon in ground pebble tec pool
    Hayward 1HP pump and C1750 Cartridge
    3 Fafco Solar Panels

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    Re: Sand filter laterals question

    Is there anyway you can post a pic of what happened? We have the same filter, same issue of sand blowing back in the pool. Everyone tells us to inspect the laterals, we do, but aren't really sure what a problem would look like.

    I thought our filter was just a piece of junk that no one else in the world had.
    24' Round Diamond Star, 54" wall height, 200sq ft sta-rite cartridge filter
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    Mod Squad Bama Rambler's Avatar
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    Re: Sand filter laterals question

    You might be able to glue it back but I don't know what it's made of, so I don't know what glue will stick to it.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Mod Squad zea3's Avatar
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    Re: Sand filter laterals question

    Here is the pdf parts guide for the waterway sand filter. Can't tell from the drawing if the part should be one piece or not. You may want to call a waterway dealer and see if they have any answers.
    TFP Moderator
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    Mod Squad Bama Rambler's Avatar
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    Re: Sand filter laterals question

    There's a picture somewhere on the site that shows one that came apart just like Nick is describing. I can't find it right now but the google search at the bottom of the page might work for someone that was interested. If I have time, I'll look more later.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Sand filter laterals question

    Ok so i got that issue figured out... just used waterproof apoxy to glue it back together. Now i have another question before i go ahead and break something...

    How do i get the stand pipe out of the valve? it seems pretty locked in there.... kinda hard to fill sand and water in it with the valve on.
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    Teri
    16K gallon in ground pebble tec pool
    Hayward 1HP pump and C1750 Cartridge
    3 Fafco Solar Panels

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    JasonLion's Avatar
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    Re: Sand filter laterals question

    That is supposed to be friction fit and should pull right out.
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    Re: Sand filter laterals question

    any tips on how to get one out that is stuck? im a pretty strong guy and even putting my foot to hold the valve back and pulling it would not come apart.
    Teri
    16K gallon in ground pebble tec pool
    Hayward 1HP pump and C1750 Cartridge
    3 Fafco Solar Panels

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    linen's Avatar
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    Re: Sand filter laterals question

    Use a rubber strap wrench around the stand pipe and twist it to loosen. You may need to have someone else hold the valve tight so it does not spin.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Mod Squad Bama Rambler's Avatar
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    Re: Sand filter laterals question

    There's probably a little sand in there. Twisting it a little will probably work.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Sand filter laterals question

    thanks for the help. I finally got it off with the help of my dad. There was sand and other gunk in it and it was quite a battle but we managed it. I cleaned out the hole for the stand pipe and the stand pipe itself. Also used a little sand paper action to get it a little smoother. Just got everything back together and its working great.
    Teri
    16K gallon in ground pebble tec pool
    Hayward 1HP pump and C1750 Cartridge
    3 Fafco Solar Panels

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    linen's Avatar
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    Re: Sand filter laterals question

    Glad you got it
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Mod Squad Bama Rambler's Avatar
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    Re: Sand filter laterals question

    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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