My boiler regularly needs refilling.

Discussion in 'Boiler Forum' started by CG, Feb 4, 2009.

  1. CG

    CG New Member

    Messages:
    6
    My mum had central heating installed a couple of years ago but the system always seems to need refilling regularly, every couple of weeks or so. I can't see any signs of a leak anywhere so I don't really know what is going on. How often should the system need refilling?

    The installer didn't give us any information about how to work the system. In fact, my mum received a government grant to have the heating installed and it was condemned before we switched it on - because the installers didn't attach a flue!! :eek:
  2. krow

    krow Plumber

    Messages:
    906
    Location:
    Ontario, Canada
    You will probably need to top it up 1 time per year. Any more than that, its a leak.
    It could be inside the walls, near a valve, T&P valve, (Under floor piping . This probably doesn't apply to you). Could also be leaking slightly in the boiler (this water would boil quickly and evaporate without any signs of water being there.)
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,129
    Location:
    New England
    Eventually, there will likely be a mineral deposit buildup where it is leaking, and it may be easier to find.
  4. CG

    CG New Member

    Messages:
    6
    Thanks everybody! It looks like I have got a leak somewhere then! I thought I might have.... I will go on a leak hunt at the weekend! ;)
  5. Ian Gills

    Ian Gills Senior Robin Hood Guy

    Messages:
    2,777
    Location:
    USA
    It's probably a leak and one of the first places to look for it is where you top it up. Some models have a check valve to add water to the system and this can weep.
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