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Thread: Reverse osmosis

  1. #1
    DIY Junior Member David95966's Avatar
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    Default Reverse osmosis

    I'm on a well with revers osmosis. The RO unit makes a lot of noise. I assume it not getting enough pressure. The well is at about 40 psi, but I think it supposed to be higher. The local well repair came out, first they replaced the check valve, then the pressure switch. Then they bypassed the fuses Then the boss arrived and said I needed a new pump. The galvanized might break. Might be $3000. They told me to take the roof off the pump house.

    My wife got mad. Said I should never have called them.

    Should I get a pump to pre pressurize the RO? Should I do nothing? What else can I add? I'm confused and angry at the pump man. Should I be?

  2. #2
    DIY Senior Member Reach4's Avatar
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    Is the RO unit a smallish thing for the kitchen? It is not whole house, I presume. But if it is, say so. That would be way different than a typical home RO system.

    I have been thinking of getting a small RO. I would get one with a little pump. They come in two kinds that I have seen: the permiate pump uses water pressure to power a pump to boost the pressure to the RO, and the electric pump models have electric pumps, :-)

    Is there a problem with the well other than your RO is not working right?

  3. #3
    DIY Junior Member David95966's Avatar
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    Reach4

    You are up late. The RO is just for the kitchen.
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    There are other problems with the well, I think. I'm new to wells. Sometimes faucets spit air. We don't gave much water here 4gpm.

  4. #4
    DIY Senior Member Reach4's Avatar
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    You get air spitting from faucets -- not just from the RO spigot at the kitchen sink. So you may well have well problems. You need to understand better what the well folks are telling you. Do you have a 500 ft deep well with galvanized pipe going down the bore? I would not think your wife's suspicions are justified. Wells can be a lot of work at times. Well depth? Symptoms other than air? You should write down the symptoms, and re-read. You should attach a photo of the pumps and tanks you can see, as you did with the RO unit. I expect the RO unit is the least of your worries.

    Are you saying there is a significant noise from under the sink where the RO unit? What does it sound like? How often do you hear that sound? I think that 40 PSI would just cause slow very filling on a working RO unit. I don't see that causing noise.

  5. #5
    DIYer, not in the trades LLigetfa's Avatar
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    The symptom or air in the lines suggest there is a hole in the downpipe. Well problems like that don't go away by ignoring them.

  6. #6
    Moderator valveman's Avatar
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    The air could also be the reason the RO system is making noise.

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