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    nick763's Avatar
    nick763 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 24, 2010, 07:50 PM
    Why my spa drain when the pump is off
    My spa drain when my pump turns off
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    May 24, 2010, 08:03 PM

    Best guess, it's backsiphoning because the pump isn't being vented.
    Dr_Spa's Avatar
    Dr_Spa Posts: 101, Reputation: 13
    Junior Member
    		  
    #3

    May 25, 2010, 08:26 AM

    Drain(s) to where?

    The ground? The pool?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    May 26, 2010, 11:48 AM

    Spa, hot tub, whirlpool??
    poolman64's Avatar
    poolman64 Posts: 41, Reputation: 3
    Junior Member
    		  
    #5

    Jul 20, 2010, 04:39 PM
    If this is an inground pool/spa combination with the spa being slightly higher than the pool, you have a check valve in the spa return line that is sticking or worn out.
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