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Thread: Water Drained with Backwash Valve left open

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    Water Drained with Backwash Valve left open

    OK.. Embarrassed as I type this, I decided it would be a good idea to backwash in the dark. I left the Multiport switch on Backwash, and went to sleep. The pool plump was NOT running, nor did it turn on BUT.. I awoke this morning to find my water line had fallen below the skimmer. I mistakenly did not return the multiport to "filter", but was amazed to find that the water would escape overnight (almost 10 inches). The suction was there, and the line was primed, so the water continued to flow from the skimmer opening. I will NOT make this error again, but felft the need to know if anyone else has done this. Oh.. My backwash line is underground, and drains away from my house... so... I never saw the water being drained in the dark.
    16/32 Vinyl Liner
    Salt/Mineral Frog System
    Pool Built in 2008
    Hayward Multiport
    DE Filter
    Electric Heat Pump

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

    Re: Water Drained with Backwash Valve left open

    No, I haven't done it. But I have a flexible backwash hose and only 2 months of pool responsibility - so a limited time to make mistakes - give me time!
    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

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