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Thread: Controlling skimmer suction

  1. Back To Top    #1

    Join Date
    May 2015

    Controlling skimmer suction

    I am wondering if I have my valves set correctly to control my skimmer flow. First of all here is my setup... My skimmers and my jets are on the same side of my pool. From what I was told, both my skimmers are on the same line. The other day I was playing around with it and had it set different than normal and both skimmers were sucking a whole lot harder than usual. I have a three position valve and if you are standing looking at it the valve is pointing towards me. From there I can go left or right. The other day I had it turned to the right I believe and it had tons more suction than usual. I turned it back because I was afraid I was hurting something, but that suction sure looked like it would skim a lot better and keep my pool cleaner.
    24k gal. In-ground, vinyl. 2005 build
    Hayward Pro-Series S244T sand filter system
    Hayward motor & pump (rpm 3450,model SP2607X10)
    Polaris 280 w/booster pump.Taylor K-2006 test kit

  2. Back To Top    #2

    TFP Guide

    Join Date
    Jul 2015
    Central Valley CA

    Re: Controlling skimmer suction

    Pictures might be good, in general I wold say if the flow out of the return jets is not any slower than normal then you are not constraining the suction supply to the pump and by extension the pump is not working any harder than normal. If the result is better skimming I say go with it.
    12,300 Gallon, IG PebbleFina, built Oct 2015, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac z4 control panel W/iAquaLink, 10GPDStenner for chlorine, 3GPD Stenner for MA, TF-100.

  3. Back To Top    #3

    In the Industry

    Join Date
    Apr 2015
    tucson, arizona

    Re: Controlling skimmer suction

    Sounds like one side of 3-way valve is for the skimmers and other side is the main drain. If you turn it opposite of full skimming what happens? If the skimmers turn off but you still have good pressure then you are probably pulling from bottom drain

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