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Thread: Filter dead?

  1. Back To Top    #1

    Join Date
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    Filter dead?

    Purchased a foreclosed home that came with a pool.

    Question about sand filter. Put it on filter mode and turned on the pump and sand came out the pool return. I quickly grabbed my leaf net and put over one of the returns (there are two total that I see) and gathered about 2 cups of sand before it starter flowing clear. As it appeared to be losing pressure (maybe 10 minutes), I switched back to recirc, and when I fired up the pump I got another 2-3 cups sand caught. I probably missed 8 or so cups that deposited into the pool. Does this signify a need for replacement or something else I can do (clean/replace sand) to fix this?

    Also used a pool vacuum and scooped up much sand under the other return.
    [attachment=0:30ssbyw9]Sand.jpg[/attachment:30ssbyw9]
    Attached Images Attached Images
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  2. Back To Top    #2

    Join Date
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    Re: Filter dead?

    If its a top mount multiport on the sand filter, you have either a broken lateral or up pipe.

    If its a side mounted valve on the filter, it's likely a lateral.

    Remove the sand to get at the naughty bits. Refill with fresh sand. You'll be good for another 10 years.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  3. Back To Top    #3

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    Re: Filter dead?

    Top mount I believe (there is a giant nut on top with a special tool for removing it), and thanks for the good news.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  4. Back To Top    #4

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    Re: Filter dead?

    I have been trying to find additional information on this, but not going so well.

    I have opened the filter from the top and removed a plastic cylinder about 6 inches in diameter, that has holes in it somewhat like the pattern of a car rim cap. Protruding from one of the holes was what looked like a garden sprinkler head with about 2 feet of thin plastic tubing on the end.

    Much sand and black "stuff" remains. I assume there are more "bits" under the sand, but not really sure what I am looking for.

    Have been trying to find a diagram of the "insides" but no luck as of yet. Lots of diagrams of the multiport value (which were helpful in stopping the value leak) though.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  5. Back To Top    #5

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    Re: Filter dead?

    Found a Triton manual online=]. It covers about 8-10 models but I think I can narrow it down to get some information that applies to my situation. Unfortunately, while trying to figure out the water flow direction I have (yesterday) filled the thing with water, so now I cannot see any of the parts. According to the manual they have a drain plug near the bottom, but I have a small shop vac that should get most of the water out and maybe some of the sand/goo mixture as well. Manual indicates I should have 8 laterals. Manual indicates that the round wheel looking thing is a strainer and the hose thing is an air relief tube. I have hope I can bring this guy back to life.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  6. Back To Top    #6
    Mod Squad zea3's Avatar
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    Re: Filter dead?

    Post pictures of the filter innards and you will be able to get more input to help you fix the filter. We love pictures!
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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  7. Back To Top    #7

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    Re: Filter dead?

    Quote Originally Posted by zea3
    Post pictures of the filter innards and you will be able to get more input to help you fix the filter. We love pictures!
    Good point. Getting the parts out is the hard part though.

    I did unload about 10 gallons of water, and close to 20 gallons of sand and was able to remove the (8) laterals and what was left of the lareral hub and a shard of the piping assembly (which might also be referred to as the up pipe).
    [attachment=0:1ep99hig]Triton Laterals.jpg[/attachment:1ep99hig]

    [attachment=1:1ep99hig]Broken Hub Lateral.jpg[/attachment:1ep99hig]

    My thought then is I need to remove the return piping assembly (which in order to reach I might have to remove the supply assembly), repipe the return assembly, acquire a lateral hub and then re-assemble and refill. Now here is where it could get tricky, a note in the user manual I have (downloaded and for a Triton II, which is NOT the model I have) is that they changed the threading pattern in 1991, from a "V" thread, to something called a Buttress thread. My recovered parts seem to be of the "V" thread variety. Now since I have to replace the piping and the hub, they should join fine, regardless what type of threading I can acquire, but to reattach the laterals, I will probably need the lateral connections of the hub to be "V" threaded, unless I also want to acquire a new set of laterals.

    Also, each of the laterals is stamped with a number "15-2285 B", except for the rightmost one in the picture, which is stamped "15-2285 A". I cannot detect any difference between the "A" lateral and the "B" ones. Same length and threading. According to the manual I downloaded, the current part number for a Triton II lateral is 152290, which leads me to believe I have part 152285. Current part number for a hub is 154763, but unsure the part that I need at this time. I assume I will need to order the hub from a specialty store, but wonder if I can repair the piping using a local hardware stores stock.

    The filter shell seems to be in good shape, it just seems the piping has cracked most likely due to freezing conditions.
    Attached Images Attached Images
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  8. Back To Top    #8
    Mod Squad Bama Rambler's Avatar
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    Re: Filter dead?

    The buttress/"V" threads refer to the thread style at the top of the filter the the dome screws into. The laterals and assembly are the same.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  9. Back To Top    #9

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    Re: Filter dead?

    Quote Originally Posted by Bama Rambler
    The buttress/"V" threads refer to the thread style at the top of the filter the the dome screws into. The laterals and assembly are the same.

    Another good call!! I did not notice that detail, but the note does say it applies to the tanks opening and closure.

    Then it looks like I can order one, found one at poolcenter.com for $26 for standard shipping. Still have hopes I can repair the piping using local stock, as the cost to order the assembly was significantly more.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  10. Back To Top    #10
    Mod Squad Bama Rambler's Avatar
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    Re: Filter dead?

    The piping should be standard 1½" or 2" PVC.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  11. Back To Top    #11

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    Re: Filter dead?

    Quote Originally Posted by Bama Rambler
    The piping should be standard 1½" or 2" PVC.

    Great! At least 2" I am guessing, I should be able to remove enough pieces so I can make an exact match at the store. I just need to be careful of the resulting length, because it is a tight fit.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  12. Back To Top    #12

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    Re: Filter dead?

    Was able to create a fancy version of the return pipe assembly for about $15 and a bit of help from a friend. Lateral hub is on order, but I should know how it all turns out by the end of the week.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

  13. Back To Top    #13

    Re: Filter dead?

    You could order a whole lower piping assembly 154807 instead of fabbing something up. That is the best approach. What you fabbed up, does it have a feed for the internal air relief? If not, DO NOT USE IT.

    Its item 13 here:

    http://store.poolcenter.com/pentair-low ... 58283.aspx

    If you do that, you'll want the newer style laterals as well. 152202, 8 per filter.
    In-ground Filters Engineer
    Pentair Water Pool and Spa, Inc.
    www.pentairpool.com
    1620 Hawkins Ave
    Sanford, NC 27330

  14. Back To Top    #14

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    Re: Filter dead?

    Air relief pretty important, huh? The old one was not even hooked up when I opened it. But, yeah I figured it was there for a reason. Was able to tee off the piping assembly and bought some new tubing, it makes a snug fit and should not come loose like the old one did. Reusing the old strainer, it has oxidized a bit, but appears to be sound structurally.

    I really did not want to wait for shipping if I did not need to, but then I needed an entire lateral hub, and now I notice a crack in the lid relief value, so I am waiting anyway.

    Thanks for the warning.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

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