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Heating pump noise (bubbles?)

Discussion in 'Plumbing and Central Heating' started by LeonR, 15 Dec 2016.

  1. LeonR

    LeonR

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    Location:
    Cambridgeshire
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    Hi all,

    I've noticed that our heating pump is making a noise which sounds like grit in the water flowing through it, or air bubbles.

    It's hard to explain, it sounds like how I would imagine gritty water to sound flowing through a pipe.

    The boiler is also kettling a moderate amount (Ideal Mexico 2 , semi pumped system I think), so I have drained the system and added some X200 (and X100) straight to a towel rail to make sure it gets in to the system directly. So maybe it's air bubbles from the kettling?


    The heating works fine, just wondered if this is a sign of something that needs attention?

    Thanks!
     
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  3. footprints

    footprints

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    Sounds like it might be cavitation (caused by air in the pump) it is a symptom rather than a cause.
    Could be the system is drawing in air or leaking and constantly changing the water, which will cause scale too.
     
  4. DIYnot Local

    DIYnot Local

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