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Worcester 24Ri Water Trickling Noise

Discussion in 'Plumbing and Central Heating' started by alpesh26, 16 Sep 2021.

  1. alpesh26

    alpesh26

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    My Worcester 24Ri has developed a water trickling noise which seems to be coming from the bottom of the boiler. As far as I can see, there is nothing leaking.

    To give some idea of the set up, I have an unvented cylinder in the loft and the central heating side has been pressurised so the header tank and all that is now gone. There is also a Magnaclean on the boiler which I have cleaned.

    It only does this when the boiler is running. Any ideas on what this could be and how I could resolve?
     
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  3. muggles

    muggles

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    Is it losing pressure?
     
  4. alpesh26

    alpesh26

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    Pressure seems fine (1.5bar), I haven't noticed it dropping.
     
  5. Harry Bloomfield

    Harry Bloomfield

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    Have you tried bleeding the rads and repressurising?
     
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  7. alpesh26

    alpesh26

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    Yep, I've tried this but no harm in trying again, its due a chemical flush with Fernox so I'll be draining it fully and refilling with inhibitor but waiting more towards colder temperatures to do this so I'm not running the heating when its not needed.

    If it helps, the trickling noise happens when the hot water only is on too.
     
  8. Gasguru

    Gasguru

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    Are you sure it's not just the boilers condensate trap....the syphon action means it will discharge a cupful every so often.
     
  9. alpesh26

    alpesh26

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    It does sound like its coming from that area (where the translucent pipe goes into the boiler), does it need emptying or leave it be?
     
  10. Gasguru

    Gasguru

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    You should hear the trap emptying for around 5 seconds then go quiet for several minutes whilst it refills...
     
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