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Thread: RO/DI system won't shut off. I'm stumped.

  1. #11
    Join Date
    01-02-2008
    Location
    NW Crossing, San Antonio
    Posts
    743

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    Well, all was almost well with this project. I attached the pressure tank and it is working much better than it did before. However, it has trouble shutting off. It makes screeching/machine gun noises and the pressure gauge needle goes nuts. I have replaced the ASOV and check valve that feeds it. What could be causing this issue?
    No trees were harmed in the writing of this post. However, several electrons were GREATLY inconvenienced.

    "If nobody makes you do it, it counts as fun." --Hobbes the Tiger

  2. #12

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    Where is the noise coming from? The ASOV?
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  3. #13
    Join Date
    01-02-2008
    Location
    NW Crossing, San Antonio
    Posts
    743

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    Most of it seems to be coming from the pressure valve as the needle slams back and forth. I would expect the sceetching sounds to be coming from the ASOV, but I haven't pulled the filter out from under the sink to determine what the source is exactly. I'll give it try this afternoon when I have some time.
    No trees were harmed in the writing of this post. However, several electrons were GREATLY inconvenienced.

    "If nobody makes you do it, it counts as fun." --Hobbes the Tiger

  4. #14

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    By pressure valve, I think you mean "pressure gauge," right? Rather than your pressure regulating valve. Let me know what you find...
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    RO and RODI Systems and Supplies
    www.BuckeyeHydro.com for all your water purification needs
    Info@BuckeyeHydro.com

  5. #15
    Join Date
    01-02-2008
    Location
    NW Crossing, San Antonio
    Posts
    743

    Default

    Yes, gauge, not valve. I increased the pressure on my regulator to about 83 PSI and the issue has, so far, gone away. If the regulator is set lower much lower, the pressure in the feed line starts to fluctuate and I get a machine gun effect and everything starts shaking.
    No trees were harmed in the writing of this post. However, several electrons were GREATLY inconvenienced.

    "If nobody makes you do it, it counts as fun." --Hobbes the Tiger

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