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Thread: Mysterious skimmer behavior...

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    Mysterious skimmer behavior...

    ... or, at least, a mystery to me.

    OK, new liner professionally installed, along with a new skimmer. The skimmer has two ports. Port #1 is connected to the suction side of the pump, as expected. However, Port #2 is attached to a line that just forms a "L" and re-enters the pool about a foot or so below the skimmer. This is described as an "equalizer line." I can't see that it does anything, except make it impossible to effectively use a vacuum plate with the vacuum.

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    Mod Squad Bama Rambler's Avatar
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    Re: Mysterious skimmer behavior...

    Is there a diverter plate in the bottom of the skimmer, or do you just see the two holes?
    If there's no diverter plate you need one.
    The "equalizer line" is there so if the water level gets low it'll pull water from it and not from the mouth of the skimmer.
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    Mod Squad jblizzle's Avatar
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    Re: Mysterious skimmer behavior...

    It prevents burning up the pump if your water line drops below the skimmer level ... IF you have the float diverter below the skimmer basket.

    My 2 pools have had the 2nd hole plumbed to the floor drain instead of an equalizer line ... also not ideal.
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    Re: Mysterious skimmer behavior...

    Quote Originally Posted by Bama Rambler View Post
    Is there a diverter plate in the bottom of the skimmer, or do you just see the two holes?
    If there's no diverter plate you need one.
    The "equalizer line" is there so if the water level gets low it'll pull water from it and not from the mouth of the skimmer.
    I just see two holes. Is the diverter plate a manual slide?

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    Quote Originally Posted by jblizzle View Post
    It prevents burning up the pump if your water line drops below the skimmer level ... IF you have the float diverter below the skimmer basket.

    My 2 pools have had the 2nd hole plumbed to the floor drain instead of an equalizer line ... also not ideal.
    If the water line drops below the skimmer, all that will happen is that the water will drop in the equalizer line, too. They don't connect to each other, so when the water falls below the suction pipe there is nothing to cause suction in the equalizer line.... unless I am REALLY missing something....

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    Mod Squad jblizzle's Avatar
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    Re: Mysterious skimmer behavior...

    You need the float diverter to force suction from the floor/equalizer line. You are missing it so your equalizer is serving no purpose.
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    Re: Mysterious skimmer behavior...

    The equalizer line will still draw water when the skimmer basket is full of leaves, which is what I think of as it's primary purpose. Diverter plate is still a good idea, but the equalizer line is not useless without it.
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    Mod Squad jblizzle's Avatar
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    Re: Mysterious skimmer behavior...

    Fair point, Jason.
    I just do not get that many leaves
    Jason, TFP Moderator
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    elwood58's Avatar
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    Re: Mysterious skimmer behavior...

    And you can plug your vacuum hose directly into the hole that goes to the pump.
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    Mod Squad jblizzle's Avatar
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    Re: Mysterious skimmer behavior...

    Quote Originally Posted by elwood58 View Post
    And you can plug your vacuum hose directly into the hole that goes to the pump.
    But if you do, make sure you have an inline leaf canister.
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    Re: Mysterious skimmer behavior...

    Quote Originally Posted by JasonLion View Post
    The equalizer line will still draw water when the skimmer basket is full of leaves, which is what I think of as it's primary purpose. Diverter plate is still a good idea, but the equalizer line is not useless without it.
    OK, well, I see what you are saying...... in that context, that makes a lot more sense. Would you recommend the float diverter, or not?

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    JasonLion's Avatar
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    Re: Mysterious skimmer behavior...

    Yes, the float diverter is still a good idea, just not essential.
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    Re: Mysterious skimmer behavior...

    To vacuum, temporarily plug the equilizer line at the bottom of the skimmer or slid a small round plate partially over the equilizer hole on the pool wall. The vacuum will hold the plate in place and you can adjust the suction by how much you cover the hole.

    Be careful to slide the plate into place so that the suction does not slam it down too hard. Use something hard smooth and plastic that won't break or get sucked in.

    I wouldn't put the vacuum hose directly into the suction line. That could clog the line.

    Also note that the equilizer hole in the wall has to have a VGB compliant suction cover for safety.

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    Re: Mysterious skimmer behavior...

    Thanks, guys.... I think I'll install the float diverter after the PB finds me a suction cover (they were out of stock).

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