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Thread: leaking sta-rite plm 100

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    leaking sta-rite plm 100

    I noticed that there are a few trickles of water from my filter.
    Everything fits snugly, but the o ring is shot.
    I hesitate to go to my local pool store. Two years ago, I bought an o ring for my stabilizer tab feeder and even though I gave them the exact specs they still sold me the wrong one. Major pain.
    So I have two questions.
    first. Is there a good on-line source to get this o ring.
    second...are there any special "tips" that will make replacement go smoothly.
    6600 gal IG concrete/gemcoat
    Fresh water
    1 HP motor
    StayRite PLM 100 system 2 filter
    full sun
    Treasure coast, Florida

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: leaking sta-rite plm 100

    There are several online places to get the parts from. Just search for the model number of the filter you have and you will find many parts diagrams where you can order the part from.

    When reassembling it, use plenty of silicon pool lube on 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
    Pool School ----- Pool Math ----- TF-Test Kit

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    UnderWaterVanya's Avatar
    Join Date
    Jun 2012
    Mint Hill, NC

    Re: leaking sta-rite plm 100

    Just in case the part is too hard to get... ... nd-tubing/

    There are also more professional options.
    Inlaws Pool Boy since June 14th 2012, Pool built ~ 2003, In-Ground, 16'x32'
    13500 gal, Vinyl Liner, Fiberglass Slide, TF-100 Test Kit, Hayward 210T
    sand filter, A.O. Smith 1.5HP main pump motor (C48L2N134C1),
    Hayward SuperPump (model ?), Polaris 380 & PB4 Booster Pump

  4. Back To Top    #4

    Re: leaking sta-rite plm 100

    Funny thing...I took the suggestion and entered my model # as it appears on the shell.
    "Sta-rite system 3 modular filtration PLM100" yet when the results came up the filter that was pictured was absolutely NOT
    my filter. I scanned around the sites and it was clear to me that the filter I have resembled the system 2.
    This was confusing. I know better than to ignore the id labels when ordering parts for anything yet there was absolutely
    something wrong here. This is when that "little bird" spoke to me.
    I have a drawer filled with various owners manuals. I checked the drawer and there I found the manual for my
    filter...In big bold letters it said "system 2" right over a picture of my exact unit.
    I went back outside to double check the decal on my filter. Yep, it said "system 3"
    So now I know what part to order.
    I guess the thing to do is remove the old "O" ring and clean the goove. Then slick up the new one with silicone and make sure
    it fits snug. ptfe in a tube a good lube for this...I have one on hand.
    thanks again.
    6600 gal IG concrete/gemcoat
    Fresh water
    1 HP motor
    StayRite PLM 100 system 2 filter
    full sun
    Treasure coast, Florida

  5. Back To Top    #5

    In the Industry

    Join Date
    Apr 2012

    Re: leaking sta-rite plm 100

    PTFE is ok, silicone is better - UNLESS there is a ring that specifically calls for no PTFE. It is rare, but happens occasionally in pool stuff.

    The cheaper pool o ring lubes are all PTFE, the expensive ones are silicone.

    If you use the silicone, don't do any finish (painting) work until you have had 3 showers or so - cars, wood, whatever. Fish eyes everywhere!
    Science and Math Teacher
    Owner - SPS - part time pool biz
    18x36 IG Vinyl, 23000 Gallons with Jacuzzi (the bane of my existance) pumpworks
    Polaris 280 w/ PB4 booster

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