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Thread: Spa draining into pool

  1. Back To Top    #1

    Join Date
    Mar 2015
    Lake Worth, FL

    Spa draining into pool

    I used the spa for the first time in months & now the water runs back into the pool when the pump is not running. I replaced the flapper in the check valve & it is draining out slower but it still won't hold. One odd thing I noticed is that after I replaced the flapper the spa only filled to a certain point & then stopped. I hit the button to put it in spa fill mode & I noticed that when switching back to pool mode the handle on one of the jandy actuators made 2 revolutions before coming to rest. Could this be failing?

  2. Back To Top    #2

    In the Industry

    ps0303's Avatar
    Join Date
    Jul 2011

    Re: Spa draining into pool

    Yes it sounds like you have a bad actuator.
    Paul A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

  3. Back To Top    #3

    Join Date
    Dec 2014
    Riverside California

    Re: Spa draining into pool

    I had the same problem. You need to adjust the cams in the actuators until the handles are dead perpendicular or parallel to the valve body which ever applies and even with each other. If the adjustment is just a little off, water can flow when it is not supposed to.

    To make adjusting easier I got a 24 vac sprinkler wall power supply and put alligator clips on it. Then I could adjust the cams on my workbench instead of bending over (my back sucks).

    If the actuator will not stop when it is supposed to, you might try bending the arm on one of the micro-switches to insure that the cam closes the switch. If the switch is bad, you can get the number off of it and order one from Digi Key or Newark electronics. I usually end up replacing all four of the micro-switches (two per actuator) every few years.
    38000 Gal, IG, Plaster, 20' x 40' x 10', Attached Raised Spa, Intelliflo VS 3 HP (011018), Pentair Quad DE 60 Filter, Raypak (Rheem) 400,000 BTU (407a low Nox), Easy Touch 8 upgrade, Screenlogic 2 with wireless, IS-4 Spa Side Remote, Stenner 45MPHP10 w/15 gal tank, Intellibrite 5g (3), Dolphin Triton Plus robot with PRO remote, Water Tech Catfish handheld vacuum for spa, TF100 with SpeedStir.

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