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Boiler loosing water

  • 08-11-2014 6:16pm
    #1
    sillymoo2007
    Registered Users, Registered Users 2 Posts: 170 ✭✭


    I live in an apartment and have gas central heating. The water in the boiler needs to be topped up at least every 2 weeks. I know when it needs to be done by the pressure gauge on the boiler. There is no sign of a leak anywhere, Is it air getting into the system somewhere? Any suggestions greatly appreciated


Comments

  • #2
    embracingLife
    Registered Users, Registered Users 2 Posts: 410 ✭✭embracingLife


    boiler is leaking water internally. Probably heat exchanger leaking, the water is then evaporating out through the chimney so there is no sign of water dripping out of boiler.
    If its the heat exchanger,which it probably is, it will need to be replaced.

    Get a RGI plumber to fix boiler.

    btw, what make of boiler? some that are notorious for this!


  • #3
    Egass13
    Registered Users, Registered Users 2 Posts: 1,056 ✭✭✭Egass13


    Could also be a faulty expansion vessel . Check how high pressure rises while boiler is in use . Also check outside for a discharge pipe and see if it's letting out water .
    As above , post make/model of boiler


  • #4
    sillymoo2007
    Registered Users, Registered Users 2 Posts: 170 ✭✭sillymoo2007


    I have had it serviced a few months ago but this has been ongoing. It's a heatline compact boiler, I've been told there fairly crap boilers.


  • #5
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    sillymoo2007 wrote: »
    I have had it serviced a few months ago but this has been ongoing. It's a heatline compact boiler, I've been told there fairly crap boilers.

    It could be any of the above or a tiny pinhole in the cylinder coil either. Did you check the pressure relief pipe outside? What does the pressure rise to once the heating has been on hm for an hour?


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