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Thread: D.E. Filter glue and nut removal

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    D.E. Filter glue and nut removal

    First off let me say that because of this site I'm able to confidently attack my pool chemistry and mechanical issues. Thanks for everyone who contributes and makes this site what is it. Now onto the questions:

    I think I discovered my D.E. filter leak back into my pool. It seems the piping assembly that connects to the elbow joint for the return to the pool has lost its glue. Can anyone here suggest what type of glue I need to re-glue this pipe to the elbow joint?

    Second, I have a leak under the filter; I've bought the washers and O-rings to fix it but I can't get this bulkhead nut off. It is recessed into the filter. Any advice?

    I've included pictures to help with diagnosis.

    Thank you for your help,

    Staggers
    IG 40k gal pool, plaster, 3 HP Intelliflo VS Pentair pump, Pentair FNS 60 DE filter, Polaris 3900 Sport, Waterfalls,
    IG Outdoor 500gal spa, plaster, element filter
    Central Texas, Taylor K-2006 Test Kit

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    Mod Squad jblizzle's Avatar
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    Re: D.E. Filter glue and nut removal

    I am not sure there is any reason for that pipe to need to be glued. Glued or not, that would not allow water to drain back to your pool unless air was able to enter your filter (which it should not). If you want to attach it, just use a multi-purpose solvent for PVC and ABS (since the black might be ABS).

    Maybe a large set of channel lock pliers will let you get the nut off?
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    Re: D.E. Filter glue and nut removal

    I wouldn't initially think it would need to be glued either but when I removed it I noticed old glue on it, so I thought to go ahead and just re-glue it.
    IG 40k gal pool, plaster, 3 HP Intelliflo VS Pentair pump, Pentair FNS 60 DE filter, Polaris 3900 Sport, Waterfalls,
    IG Outdoor 500gal spa, plaster, element filter
    Central Texas, Taylor K-2006 Test Kit

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    Re: D.E. Filter glue and nut removal

    For the bulkhead nut try some hot water to soften the plastic, while it is still hot to warm with gloves on see if you can turn it by hand.
    12,300 Gallon, IG PebbleFina, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac Z4 control panel W/iAquaLink, Stenner pumps for chlorine & MA connected to WiOn WiFi switches, TF-100. You can support TFP with AmazonSmile just click the link!

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    Richard320's Avatar
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    Re: D.E. Filter glue and nut removal

    A socket to fit that nut will cost a bunch of money. Measure it and start asking handy/mechanic-type friends if they have axle nut sockets. You'll find nuts that big on one-ton truck rear axles and on the front axles of a lot of 4X4s.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: D.E. Filter glue and nut removal

    Quote Originally Posted by Richard320 View Post
    A socket to fit that nut will cost a bunch of money. Measure it and start asking handy/mechanic-type friends if they have axle nut sockets. You'll find nuts that big on one-ton truck rear axles and on the front axles of a lot of 4X4s.
    That reminds me some auto parts stores (Autozone for example) lend tools all you need is a credit card deposit, not sure if sockets are part of the program but since it is such a large on might be worth a try.
    12,300 Gallon, IG PebbleFina, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac Z4 control panel W/iAquaLink, Stenner pumps for chlorine & MA connected to WiOn WiFi switches, TF-100. You can support TFP with AmazonSmile just click the link!

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    In the Industry

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    Re: D.E. Filter glue and nut removal

    Large channel locks as suggested by jblizzle. Option 2 would be to buy the retaining nut and use a standard screwdriver and hammer it loose then replace if it breaks. Also a chance the pipe is cracked at the threads so it may be a good idea to source one just in case. GL!

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