Central Heating Banging

Discussion in 'Plumbing and Central Heating' started by jonnie84, 14 Apr 2011.

  1. jonnie84

    jonnie84

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    Hi all any ideas on a problem with my parents Central Heating?

    It has recently started banging and clanging really loudly like someone is hitting the pipes with a spanner ?

    Also the expansion tank is full with steaming hot water which obviously is far from ok

    Any help would be greatfully received as its driving them mad with worry now

    Many thanks
    Jon
     
  2. mysteryman

    mysteryman

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    Sounds like a failed control thermostat and/or pump. This can be dangerous, especially if it is an old boiler with no limit thermostat.

    Switch it off and get it fixed - please, and do it NOW!
     
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  4. jonnie84

    jonnie84

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    Brilliant thanks alot for that quick reply mystery i get someone in and get it sorted straight away

    Thanks Jon
     
  5. bengasman

    bengasman

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    Could be the boiler stat, or the pump, or an airlock, or a blockage. I don't loose a whole lot of bets when I guess sludge with this description.
     
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