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Thread: Pool Drains During Freeze Protection - Any Ideas?

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    Join Date
    Jan 2016

    Pool Drains During Freeze Protection - Any Ideas?

    Hi All,
    I'm in Texas and am relying on the freeze protection feature to prevent pipe freezing. It seems to be working by starting the pumps during cold weather. However, the each morning after a cold night, I've noticed that the pool water level has dropped several inches. When the weather is warm the level does not drop and haven't had any other issues. No standing water around equipment to indicate anything is leaking.

    Any ideas here? I've done some searching, but haven't run across anyone reporting the specific problem.


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    TFP Guide
    Jimrahbe's Avatar
    Join Date
    Jul 2014
    Bedford, TX

    Re: Pool Drains During Freeze Protection - Any Ideas?

    It would be nice to know something about your pool.. Do you have any water features and what is controlling the freeze protection.

    If the only thing that is happening is that the pump comes on, then your water loss is a puzzle to me. But, if you have water features controlled by automated valves, then I would suspect that you've got a leak on one of your water feature lines.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP5200 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2.

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    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: Pool Drains During Freeze Protection - Any Ideas?

    It would help us if you would add the following information to your signature

    • The size of your pool in gallons
    • If your pool is an AG (above ground) or IG (in ground)
    • If it's IG, tell us if it's vinyl, plaster/pebble, or fiberglass
    • The type filter you have (sand, DE, cartridge)
    • If you know, tell us the make and model of your pump and filter.
    • List any other equipment you have: SWG, second pump, etc.
    • Please mention if you fill the pool from a well or are currently on water restrictions

    Information in your signature will show up each time you post. Signatures need to fit on five lines. It is fine to put several bits of information on the same line.

    A couple of photos may help also.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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