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Thread: Spa water level dropping

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    Join Date
    Jul 2007
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    Spa water level dropping

    Several times a year I wake to see a drop in water level in our spa (spillover). it happens when the weather starts to cool down. Our pool runs from 9am -4pm. Typically it falls about 1 inch below tile line. But sometimes it goes all the way to jets. Any ideas? This has happened for a couple yrs. thanks.
    ~Andrea

    24,000 IG with spa and 4 ton waterfall. Equipment: Pentair 520 Clean & Clear, Pentair VS+SVRS Intelliflo, Pentair Whisperflo 2 HP, Polairis Cleaner, Intellibrites, Pentair Rainbow 320 in-line Chlorinator, Pentair Easy touch 8 wireless and spa side remote.

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    Mod Squad jblizzle's Avatar
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    Re: Spa water level dropping

    If the spa is above the pool (like it sounds), often the water lowering is due to a check valve on the spa returns leaking allowing the water to drain back into the pool.

    Post up a picture of your equipment pad.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  3. Back To Top    #3

    Join Date
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    Re: Spa water level dropping

    Yep. It's 12" above. If its a leak, wouldn't it happen every day til fixed? Or not that kind of leak.....? I don't know what I'm talking about

    Ok. Can not figure out how to post. Let me try something's and will see if I can get it on here. Thanks
    ~Andrea

    24,000 IG with spa and 4 ton waterfall. Equipment: Pentair 520 Clean & Clear, Pentair VS+SVRS Intelliflo, Pentair Whisperflo 2 HP, Polairis Cleaner, Intellibrites, Pentair Rainbow 320 in-line Chlorinator, Pentair Easy touch 8 wireless and spa side remote.

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    Mod Squad jblizzle's Avatar
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    Re: Spa water level dropping

    It could be that sometimes the check valve seats properly and seals and other times it does not (weak spring) ... just theories.

    Does the water drain down to the pool water level? or are the jets above the pool water level and thus the water only drains down to the bottom of the jets?

    Are the jets all run off of the same pump as the pool or do you have a separate pump and plumbing loop that runs the jets independantly of the pool pump and filter?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  5. Back To Top    #5
    Christian's Avatar
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    Jul 2012
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    Re: Spa water level dropping

    For help with posting pictures you can check out this handy guide Blake wrote.
    how-to-add-pictures-to-a-post-full-guide-with-screenshots-t45050.html

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