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how to find a leak you cant see or hear? help!

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  • how to find a leak you cant see or hear? help!

    I have an espresso machine where there are lots of fittings in a confined space. I cant see any leaks, or hear any leaks, but am getting condensation. I dont know how to approach fixing it besides randomly redoing each join. There is one that is a compression fitting, and the sleeve is a bit loose fitting when undone and suspect this could be leaking, but to change the sleeve means replacing the pipe as well which is a bit of work and I want to avoid if unnecessary. Does anyone know a good way to check for leaks so I could confirm for sure if this join is leaking or not? Anything you can apply or spray on that will show up leaks? or other ideas? Thanks!

  • #2
    Re: how to find a leak you cant see or hear? help!

    Originally posted by 5154585C545B04350 link=1256893436/0#0 date=1256893436
    I have an espresso machine where there are lots of fittings in a confined space.  I cant see any leaks, or hear any leaks, but am getting condensation.  I dont know how to approach fixing it besides randomly redoing each join.  There is one that is a compression fitting, and the sleeve is a bit loose fitting when undone and suspect this could be leaking, but to change the sleeve means replacing the pipe as well which is a bit of work and I want to avoid if unnecessary.  Does anyone know a good way to check for leaks so I could confirm for sure if this join is leaking or not? Anything you can apply or spray on that will show up leaks?  or other ideas?  Thanks!  
    Any gas fitter will tell you that in the old days you used a special fluid...  To day ya just use soapy water...  That is water with a high concentration of dishwashing fluid...  Then with a brush lightly smear it on teh fittings...

    Be careful... Do this with the power out...

    Then run and see where teh bubbles come from...

    OR use a strong food colouring and run and look for the colour seeping out..  

    Opps... Could mean a major clean and descale to rid of any stains...


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    • #3
      Re: how to find a leak you cant see or hear? help!

      Originally posted by 7D525B594E715D525D5B59515952483C0 link=1256893436/1#1 date=1256900776
      Any gas fitter will tell you that in the old days you used a special fluid...To day ya just use soapy water...That is water with a high concentration of dishwashing fluid...Then with a brush lightly smear it on teh fittings...
      thanks - do you think this would work when hot? I only get a leak under pressure, and the fittings are really close to the boiler so very hot.

      Originally posted by 7D525B594E715D525D5B59515952483C0 link=1256893436/1#1 date=1256900776
      OR use a strong food colouring and run and look for the colour seeping out..

      Opps... Could mean a major clean and descale to rid of any stains...
      maybe if I get desperate!

      Comment


      • #4
        Re: how to find a leak you cant see or hear? help!

        Originally posted by 5D585450585708390 link=1256893436/2#2 date=1256935338
        ngerManagement wrote on Yesterday at 22:06:
        Any gas fitter will tell you that in the old days you used a special fluid...To day ya just use soapy water...That is water with a high concentration of dishwashing fluid...Then with a brush lightly smear it on teh fittings...


        thanks - do you think this would work when hot?I only get a leak under pressure, and the fittings are really close to the boiler so very hot.

        Can see some issues but if ya put enought on.. even if it dries out when hot ... once the steam / hot water hits it you may get enough of an indicator...

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        • #5
          Re: how to find a leak you cant see or hear? help!

          couldnt find a leak, but there is one somewhere, so I removed the most likely point. I had to cut out the pipe going to the pressurestat. Then began putting together a replacement pipe only to find my 6mm compression sleeve doesnt fit on my 6mm copper pipe - not even close!

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          • #6
            Re: how to find a leak you cant see or hear? help!

            well replaced my pipe with some other fittings and after 1hr running no condensation yet - HOORAY. Hopefully drinking coffee from it tomorrow - my peppina needs a rest after giving it a good workout in the last month or so!

            Thanks for your suggestions AM.

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