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Thread: leaking DE filter housing

  1. #1
    Junior Member
    Join Date
    Apr 2009
    Location
    South of Houston, Texas
    Posts
    18

    leaking DE filter housing

    My DE filter housing has been leaking after I put back together after my last backwash/filter cleaning. Twice a year, i normally take the filter out, wash off the cartridges, put everything back together and tighten that clamp that keeps the top housing and bottom housing together. Not sure what that type of clamp is called, but after i turn the pump back on, etc and everything is working fine, there is normally some leakage between those housing halves. once I put my DE back in the skimmer and wait a day or so, the leak normally stops. This time i cant get the leak to stop, its not a big leak, but just keeps dripping, keeping my cement pad wet. I have never lubricated that big o-ring, but I have cleaned it off a couple times. Do I need to lubricate with anything to help it seal ? I hate to tighten that clamp anymore, i am afraid i might break the housing if to tight. the equipment is about 6-7 yrs old. Thanks for any suggestions you might have...
    IG pool gunite/Plaster, 33 x 20, 20000 gal., 4.5ft-5-3.5ft, Triton FNSP-36 DE filter 36sqft 90gpm 43200 in 8 hrs, WhisperFlo Triton 1.5HP, Polaris 280 with booster pump, and a Dog that loves to swim,South of Houston.

  2. #2
    Senior Member
    Join Date
    Apr 2009
    Location
    Sarasota Florida
    Posts
    144

    Re: leaking DE filter housing

    If the o-ring is getting dry rotted it needs to be replaced. There is a lubricant for rubber o-rings also that should be used, it helps them seal and also helps them not dry out.
    Kidney shaped ~ 10000 gallon Ig Plaster pool with pool cage. 120sf Cartridge filter. Pentair WhisperFlo WFDS-26, 230 Volt, 7.8/3.0 Amp, 1-1/2 Horsepower 2 speed pump, Solar panels on the roof. Heliotrope HelioMatic 4000D solar controller.

  3. #3
    Administrator JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    34,969

    Re: leaking DE filter housing

    You need to lubricate the seal. Use a silicone based lubricant like Magic Lube II, or something similar.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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