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Yellow water in bath

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  • 15-11-2020 12:25pm
    #1
    tucker1971
    Registered Users Posts: 177 ✭✭


    Had a plumber in who treated rads with a chemical to clear out sludge. However since then when we ran the bath the water is yellow ?
    What's going on?


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    #2
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,213 Mod ✭✭✭✭Wearb


    Do you have an open (a large and small tank in the attic) or closed system?
    Where did plumber add the chemicals?

    Btw you should call the plumber. This shouldn't be happening and you shouldn't use any tap or shower that's not coming directly from the mains until sorted.

    Please follow site and charter rules. "Resistance is futile"



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    #3
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    Open system. 2 tanks in the attic. It was added in the hot press through the pipes there


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    #4
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,213 Mod ✭✭✭✭Wearb


    tucker1971 wrote: »
    Open system. 2 tanks in the attic. It was added in the hot press through the pipes there
    So he didn't go into the attic to check the overflow from the heating expansion tank. Possibility of a damaged coil in the cylinder, but most likely over flow in expansion tank.

    If that's the case (overflow), you have other plumbing problems...hence the sludge.

    Phone him.

    Please follow site and charter rules. "Resistance is futile"



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    #5
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    Wearb wrote: »
    So he didn't go into the attic to check the overflow from the heating expansion tank. Possibility of a damaged coil in the cylinder, but most likely over flow in expansion tank.

    If that's the case (overflow), you have other plumbing problems...hence the sludge.

    Phone him.

    Any reason why the coil would go at the time the chemical was added? Just coincidence?


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    #6
    antoinolachtnai
    Registered Users Posts: 9,773 ✭✭✭antoinolachtnai


    tucker1971 wrote: »
    Any reason why the coil would go at the time the chemical was added? Just coincidence?

    The problem might be there for months or years. It’s just you never noticed before because there was previously no additive in the central heating circuit.


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    #7
    Man with broke phone
    Registered Users Posts: 1,201 ✭✭✭Man with broke phone


    tucker1971 wrote: »
    Any reason why the coil would go at the time the chemical was added? Just coincidence?

    Coil was already gone, chemical would just expose it, if it is in fact the coil.


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    #8
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,213 Mod ✭✭✭✭Wearb


    tucker1971 wrote: »
    Any reason why the coil would go at the time the chemical was added? Just coincidence?
    Wearb said: but most likely over flow in expansion tank.
    As I said, it's unlikely to be the coil, so ignore that possibility until other investigated.

    Get plumber back.

    Please follow site and charter rules. "Resistance is futile"



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    #9
    John.G
    Registered Users Posts: 3,466 ✭✭✭John.G


    tucker1971 wrote: »
    Open system. 2 tanks in the attic. It was added in the hot press through the pipes there

    Hope it wasn't added to the pipe(s) from your cold water storage tank, if the level in this tank is higher than the level in the (small) feed&expansion tank then its unlikely, even with a holed coil, to get contamination, also the level in the feed&expansion tank would keep rising and eventually overflow.

    I have seen systems where the F&E tank is perched on top of (or is higher than) the CWST with its overfow into the CWST but hopefully not seen too much these days.


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    #10
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    Tanks seem to have correct levels. Plumber reckons it's the coil as is replacing the cylinder. If the water is still yellow after new cylinder goes in I would have replaced a perfectly good cylinder!


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    #11
    John.G
    Registered Users Posts: 3,466 ✭✭✭John.G


    If tanks are at the correct level, ie, CWST level higher than the F&E tank level, then with no demand from the CWST, (hot water, toilet & cold water basin etc ) then the CWST ball cock should and will keep dripping to try and equalise the levels in both tanks, if holed coil, and the levels would eventually equalise if given enough time.


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    #12
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    New cylinder in. Ran bath last night, water was perfectly clear. After running bath there now and yellow water is back. 😥😥


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    #13
    listermint
    Registered Users Posts: 33,635 ✭✭✭✭listermint


    tucker1971 wrote: »
    New cylinder in. Ran bath last night, water was perfectly clear. After running bath there now and yellow water is back. 😥😥

    Mains or well ? How the hot tap in the kitchen and also cold tap in the kitchen


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    #14
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    Mains supply. Cold mains was always fine. Hot tap looks ok but its easier to see in a larger volume, ie the bath.
    This problem has only arose after the rad cleaner was applied so it must be linked.


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    #15
    John.G
    Registered Users Posts: 3,466 ✭✭✭John.G


    Can you run a cold water tap fed from the CWST for a few minutes and then fill glass and look for colour.


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    #16
    tucker1971
    Registered Users Posts: 177 ✭✭tucker1971


    Done that. Water is clear in glass. I just ran the bath there now, hot tap only. Water not as bad now, not clear but definitely not as yellow. Filled a glass from bath tap and looks clear too.


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