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Thread: 3 way valve for waterfall

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    3 way valve for waterfall

    Hello- I am looking to potentially have a rock waterfall built onto my existing pool. Currently I have a 2 way valve ( I think) returning water to pool through the return jets and the 2 bubblers. The valve can be adjusted to raise, lower, or turn off the bubblers to my liking. Can that valve be changed out to a 3 way valve to provide water to the waterfall? The pump is year old 2 hp Pentair whisper-flo. I've been told that is enough hp to do so. I understand that the ideal set up would be separate pump for the waterfall, but would prefer to use what I have to keep cost down and limited pumping station area. Thank you for all your input

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    cowboycasey's Avatar
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    Re: 3 way valve for waterfall

    nothing wrong with adding/changing to a 3 way valve if both have water going to them the amount of water will be split and therefore less water will go to each
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    Mod Squad jblizzle's Avatar
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    Re: 3 way valve for waterfall

    I think there may be confusion here. A 3-way valve has 3 ports, on the return side plumbing, it has one inlet and 2 outlets. From your description, I think this is what you already have with one side to the pool and the other side to the bubblers. (Although I could be misunderstanding).

    A picture of your setup could help us make suggestions
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    Re: 3 way valve for waterfall

    I am trying to upload a picture but it keeps saying its too large, even when I shrink it. I will keep working on it. But I think you understand correctly. There is one line that supplies water from the filter, then 2 lines that are controlled by the valve in place to return the water to the pool. Can a different valve replace the existing one to supply water to the return jets, bubblers, and/or waterfall

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    Mod Squad jblizzle's Avatar
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    Re: 3 way valve for waterfall

    No, there are no 4 way valve. You will need to add another 3-way valve off of one of the 2 legs to the pool to have full control.

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    Re: 3 way valve for waterfall

    Attachment 47819

    - - - Updated - - -

    Thanks for the insight. That makes sense. I would assume it would be better to split off of the bubbler line since they don't get used that often and probably won't be used at the same time as the waterfall

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    Mod Squad jblizzle's Avatar
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    Re: 3 way valve for waterfall

    I can not see anything in that thumbnail

    That is what I would do ... add a 3-way on the waterfall side that splits to the waterfall or bubblers. So you have one valve to turn to isolate to back to just the normal returns.
    Jason, TFP Moderator
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