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Central Heating Making Gargling / Water Running Noises???

Discussion in 'Plumbing and Central Heating' started by gavm99, 11 Feb 2007.

  1. gavm99

    gavm99

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    Hi all,

    Some of my radiators have started making what I can only describe as gargling/water running noises when it is on. It is at its worst when it first comes on in the morning. All works fine but slightly concerned about the noise and could do without it as it wakes me up!!!!!

    Can you please advise what the problem might and what I can do to overcome this?

    Thanks.
     
  2. jime17

    jime17

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    could be air in the system. try bleeding the rads.
    if you have air in them, you had best check the pressure gauge on boiler (assuming you have a combi boiler?) as if there was a lot of air let out, the central heating circuit pressure may drop below operating level and you'll have to top up again. usual pressure when hot and running is about 1-2 bar for most boilers i believe.
     
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  4. JohnD

    JohnD

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    When you bleed them, what colour is the water?
     
  5. gavm99

    gavm99

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    Thanks for the help chaps.

    I am planning on bleeding the rad's this weekend but this has brought up a further question. I was expecting my rad's to have bleed valves at the top, but there aren't any??? Any ideas???

    Thanks.
     
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  7. gavm99

    gavm99

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    IGNORE MY LAST POST!

    Been a long day and just spotted the plastic cover that reveals the bleed valve!!!
     
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    DIYnot Local

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