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Thread: Need Help with Plumbing a Flow Switch (Copper to PVC)

  1. Back To Top    #1

    Join Date
    Jun 2015
    Location
    Orange County, CA
    Posts
    15

    Need Help with Plumbing a Flow Switch (Copper to PVC)

    I was wondering if I could get some assistance with the plumbing for the flow switch on my SWG. If you note the images below, you can see that I have copper in the ground that then transitions to PVC.

    The ideal install would be adding the flow switch to the pool return line. The problem with this option is the pool return line has several couplings installed making the addition of a flow switch not feasible.

    The “easiest” method would be to replace the PVC from the copper/PVC adapter and run new straight pipe up the Jandy valve (not shown) with the flow switch placed near the bottom.

    My question is, what type of adapter is that copper/PVC one, and can I merely replace the top nut part or will the whole adapter need to be replaced?

    I’ve done PVC before but I’m mildly nervous about changing a PVC to copper adapter, although the products I’ve seen seem like you slip it on the copper and then tighten. Is it truly that easy?





    17.5K gal IG Plaster Pool & Spa
    Pentair FNS Plus 60 DE, Hayward EcoStar SP3400VSP, Raypak Digital Heater (older unknown model), Hayward SimPure Plus T15 SWG
    Taylor K-2006 Test Kit

  2. Back To Top    #2

    Join Date
    Jun 2015
    Location
    Orange County, CA
    Posts
    15

    Re: Need Help with Plumbing a Flow Switch (Copper to PVC)

    I might try to get it on above the coupling and just increase the height of the pipe going up to make sure I meet the required 12" straight pipe for the flow switch.

    If anyone has an idea later on please let me know your thoughts. Thank you.
    17.5K gal IG Plaster Pool & Spa
    Pentair FNS Plus 60 DE, Hayward EcoStar SP3400VSP, Raypak Digital Heater (older unknown model), Hayward SimPure Plus T15 SWG
    Taylor K-2006 Test Kit

  3. Back To Top    #3


    TFP Guide

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    Apr 2016
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    Posts
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    Re: Need Help with Plumbing a Flow Switch (Copper to PVC)

    That almost looks like a union fitting joining the copper to pvc. Unthreading the lower most pvc part might take the whole joint apart.
    Chuck-
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