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How to DIY fix very very slow leak on radiator (pic included)

  • 17-01-2023 12:06pm
    #1
    JaCrispy
    Registered Users, Registered Users 2 Posts: 635 ✭✭✭


    Hi,

    I had to take a radiator off to get panelling in behind it. Since I've reconnected it, I'm getting a very slow leak from one of the areas below. Is there any quick fix for this? Sealant etc? I tried tightening the affected nut (wrong name for it) but its already rock tight.

    Any quick fixes?


    image.png




Comments

  • #2
    serox_21
    Registered Users, Registered Users 2 Posts: 169 ✭✭serox_21


    undo the connection, put some PTFE tape or sealer on the ring(not threads) and tight it back


    You will need to drain(or partially drain) your heating system.



  • #3
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,401 ✭✭✭DublinDilbert


    Are you sure the leak is coming from that nut? The water might be appearing there, but could be coming from the other nut. If you took the radiator off to paint, I'd imagine you took off the other nut. If tightening both doesn't work, as per above you can loosen the nut and wrap PTFE around the olive, but you will need to release the pressure from the system before doing this.



  • #4
    JaCrispy
    Registered Users, Registered Users 2 Posts: 635 ✭✭✭JaCrispy


    I took off the nut to the right and put 4-5 wraps of PTFE on it and tightened it back up. I'll try put 10 on it and do it again but I'm fairly confident that the leak coming from nut highlighted in pic

    Thanks for taking time to reply to me. Much appreciated.



  • #5
    youtheman
    Registered Users, Registered Users 2 Posts: 1,311 ✭✭✭youtheman


    https://www.boards.ie/discussion/comment/120120783#Comment_120120783

    I'd suggest you remove the white plastic cover and look where the stem of the valve comes out through the 'packing'. Might be a leak there, in which case it would flow down and lodge where you highlight in the photo. Just an idea!



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