Whining in central heating pipes

Discussion in 'Plumbing and Central Heating' started by bsandyb, 21 Jan 2013.

  1. bsandyb

    bsandyb

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    I had a Main combi boiler fitted 18 months ago, (it replaced a hot water tank in my airing cupboard and a cold water tank in my attic. A week after it was fitted I noticed a whining sound that seemed to be coming from the pipes, I could not pinpoint where as it seemed to be all over the house, I called the fitters back and they checked valves on the radiators etc, then said that they would have to rip up all the floor again to look, well at that time the whine was not to bad and I thought that I could live with it! so that is where I went wrong! this winter the whine is almost constant and loud, I cannot put the heating on auto as the whine wakes the family up in the morning, everyone who enters my home asks what the noise is! it is like having tinnitus all the time in your ears, my husband is sick of bleeding the radiators as it makes no difference, we are now desperate. Can anyone please help.
     
  2. Burnerman

    Burnerman

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    Does the noise seem to be coming from the boiler itself, or in particular the circulating pump within?
    John :)
     
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  4. bsandyb

    bsandyb

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    Hi John I have listened to the boiler many times and it never seemed to come from there, but listening closer today I can hear it coming from the big white pipe that sticks out from the top of the boiler and goes into the roof, not sure if that is a vent pipe.
    Sandra
     
  5. Netdragon

    Netdragon

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    It sounds like a flue/fan problem on the surface of what you say... but could be stuck valve not open flly pump or worse gas/air problem.

    Get the boiler on for central heating and turn the boilers ch stat down till the burner goes out. The pump should run on.
    If the nose stops the its a gas/air or flue issue, if it continues check for thermostatic rad valves these have a habit of making some form of noises.

    Check the flue for damge connection ect, play with the rad valves to see if you turn x rad off it stops short of that...
    It be worth looking for yor boilers warranty and giving them a call, as the appliance needs to be checked out.

    If the boiler is the source after all that it won't be a diy fix, Rgi time.
     
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  7. bsandyb

    bsandyb

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    Thanks John, we know its not rad valves as we have been turning then on off etc to see if that was prob. Boileris out of warrenty by 5 weeks! I checked this morning, got the guys who fitted it coming back on thursday, so I really hope they know what they are doing.
    Thank you John.
     
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