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Thread: Pump seal leak

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    Pump seal leak

    Hello all, it's my 10th pool season and yet another drip under my pump. I've grown tired of handing my hard earned money to the pool store to fix this issue. I purchased a new seal for the pump and am about to try this repair for the first time. I have an Emerson 1081, 1 1/2hp pump that is about 3 years old.

    I've watched several videos on youtube on pump repair and I'm confident I can do this repair. Does anyone have any suggestions or tips that may help?

    Thanks for your time.
    21k gal, Inground vinyl, 1 1/2 HP Emerson pump, Micromatic 26" filter, Aquacal heat pump w/solar cover, Manta automatic pool cleaner

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    Smykowski's Avatar
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    Re: Pump seal leak

    Be gentle with the seals, don't touch the ceramic or the graphite with bare hands, and take your time to be sure all the parts go in the correct order and direction. Post back if you have questions.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Pump seal leak

    Thanks for the advice. I do have a question, some videos say to use a lubricant some don't, what are your thoughts?
    21k gal, Inground vinyl, 1 1/2 HP Emerson pump, Micromatic 26" filter, Aquacal heat pump w/solar cover, Manta automatic pool cleaner

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    Smykowski's Avatar
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    Re: Pump seal leak

    I just used a tony bit of silicon o-ring lube to help get parts seated. Tiny bit on the pump to press in the ceramic plate, and a tiny it on the impeller shaft to press the spring side on. Two seals done that way and no leaks yet. If you do this do it very sparingly. You need to keep the mating surfaces clean.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Pump seal leak

    I have everything apart and noticed when I removed the old ceramic seal from the seal plate that it had some sort of silicone glue around the rubber part. Not much but noticeable, am I supposed to glue this piece in? I haven't seen anything about gluing this piece in on anything I've read or seen. Thoughts?
    21k gal, Inground vinyl, 1 1/2 HP Emerson pump, Micromatic 26" filter, Aquacal heat pump w/solar cover, Manta automatic pool cleaner

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    Smykowski's Avatar
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    Re: Pump seal leak

    There should be no glue in there. Or maybe better to say, when you put the new one in, don't glue it. The pressure of the spring presses the ceramic side into the seat, and that's what creates the watertight seal. No other "sealants" needed.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Pump seal leak

    Sorry for the delay, I got sidetracked by a pinhole leak in my filter that had to be addressed as well. Everything went well with the pump seal, I reinstalled the pump this morning and it's been running fine all day.

    I can't begin to tell you how much I appreciate your help. You have helped me eliminate one more chain the pool store had on me. Next time I'll be able to change my pump seal at the first sign of leakage with confidence and not have to take it 25 miles and pay someone to repair it.

    Thanks again,
    Frank
    21k gal, Inground vinyl, 1 1/2 HP Emerson pump, Micromatic 26" filter, Aquacal heat pump w/solar cover, Manta automatic pool cleaner

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    Smykowski's Avatar
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    Re: Pump seal leak

    Good work! Glad to help.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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