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Slight leak on boiler

Discussion in 'Plumbing and Central Heating' started by Pro100, 29 Dec 2020.

  1. Pro100

    Pro100

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    Hi, I have a slight leak on my Gloworm CXI30

    I've attached a picture from the manual to show where its coming from and also a picture of the leak itself.

    i'm guessing its just the seal failed on the domestic hot water elbow? If so is it something i should try to fix myself?
    Ive been looking for a part number for the seal but only thing in the manual is "P Sealing washer 16x24x1.5".

    On the other hand i may be getting a new boiler, if so could i do a temp fix with some self amalgamating tape to that too dodgy?

    Thanks,
    P

    glowormcxi30.jpg leak.jpg
     
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  3. oldbuffer

    oldbuffer

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    Assuming this is something you can do without removing the cover, you could try tightening the nut which appears to be leaking. Might be enough to reseal.
     
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  4. Madrab

    Madrab

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    Looking at the tool marks on that nut it looks like that's been nipped up a few times. There's probably a fibre washer in there that starting to disintegrate. Isolate the cold feed to the boiler and loosen that nut and replace whatever's in there.
     
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  5. Harry Bloomfield

    Harry Bloomfield

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    I agree, probably just a simple fibre washer. Water off at the stop tap, turn taps on to drain it, undo that union and dig out what is left of the washer. You will be able to get a replacement from a plumbers merchant 16x24x1.5mm, before you start.
     
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  6. Pro100

    Pro100

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    Thanks all, ill give that go.
    Do you think somewhere like screwfix will sell the washer?
    Cant seem to find one anywhere :(
     
  7. Harry Bloomfield

    Harry Bloomfield

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    Plumpcentre will likely give you the washer - not worth the paperwork.
     
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  8. Pro100

    Pro100

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    Thanks again,
    I'll give them a visit soon when it opens. Tried yesterday but they closed at dinnertime.
     
  9. Pro100

    Pro100

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    Well just got back and no-one has any :confused:

    Plumbcentre/Wolseley haven't any and said they only sell them in bags of 50 if i wanted to order some but the warehouse is closed till after new year.
    Told me to get in touch with glow worm and they might send me a couple out. :rolleyes:

    Never thought trying to get a washer would be so difficult, lol.
     
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  11. Pro100

    Pro100

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    I think i might just have to call someone out. Any idea of a rough price i should be paying to have the washer replaced? (NorthEast)
     
  12. Pro100

    Pro100

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    Still haven't got it sorted, so I've loosened the pipe and took the washer out. It wasn't what i was expecting at all.
    Its hard plastic :eek:

    This isn't a 24x16x1.5 fibre washer i was originally looking for, Any ideas what i should be looking for now?

    Heres some pics of what was in.

    20210102_095254.jpg 20210102_095304.jpg 20210102_095333.jpg 20210102_095351.jpg
     
  13. sxturbo

    sxturbo

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    Did you damage the washer?

    You can fit either a fibre or a plastic washer.

    Have you got a new washer yet?
     
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  14. Pro100

    Pro100

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    Thats how the washer came out :(

    Haven't managed to get one yet, but its definitely not the size i was originally looking for though.
     
  15. sxturbo

    sxturbo

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    Looks like it's worn through the washer.

    What are the dimensions of the washer?
     
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  16. Pro100

    Pro100

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    Measurements, although i'd imagine the compression would have deformed it slightly.

    20210102_101403.jpg
    20210102_101425.jpg
    20210102_102049.jpg
     
  17. Harry Bloomfield

    Harry Bloomfield

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    Obvious why it was leaking. A fibre one would work there. My best suggestion is take it along to a plumbers merchant and ask them to try to match it.

    Failing that, you can get from a motor factors (DIY car shop), a tube of goo they use to make gasket seals, providing it is not for potable water.

    Me - I would try to make a fibre washer from several layers of cornflake packet.
     
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