Ballcock valve in water tank not shutting off

Discussion in 'Plumbing and Central Heating' started by breton1973, 28 Apr 2012.

  1. breton1973

    breton1973

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    Hi there, live in a flat and have noticed that constant trickle of water coming out of overflow pipe outside. Investigated and constant low noise coming from the water tank. Think the ballcock valve has worn away and not closing off completely. Have called loads of plumbers but no one seems interested. Is it simple enough to replace? Any links to videos etc to show me what to do would be really helpful! Thanks.[/b]
     
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  3. 75pete

    75pete

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    It is a very simple job in most cases. Turn off the water to the tank then you can either remove and replace the rubber disc or replace the whole valve. DIY stores etc stock the rubber replacements, cheep as chips. You will need to remove the split pin then unscrew the end cap to get at the rubber.
    Pete
     
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  4. vibrobullit407

    vibrobullit407

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  5. breton1973

    breton1973

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    Thanks for that.Now having trouble getting to the pin cos of the acute angle!!!! :oops:
     
  6. Charnwood

    Charnwood

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    Probably easier to replace the washer with the valve removed from the tank.

    Is your ball valve a part 1, part 2 or a part 3?

    Part 1:
    [​IMG]

    Part 2:
    [​IMG]

    Part 3:
    [​IMG]

    Or not one of the above?
     
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  7. breton1973

    breton1973

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    Part 1!
     
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  9. Charnwood

    Charnwood

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    If you're struggling to get at the cotter pin it would be easier to remove the whole valve.

    It is not necessarily the washer. Plastic seats can 'craze' and start to disintigrate.
    Seat on right:

    [​IMG]
     
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  10. breton1973

    breton1973

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    Thanks Charnwood. Tried to take the whole thing off with the wrench but dam thing on so tight, like it's frozen! :oops:
     
  11. Charnwood

    Charnwood

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    You are trying to undo the nut indicated by the black arrow and not the red arrow, aren't you?
    The body nut (red arrow) are factory tightened and you'll never shift it without a MAJOR struggle.
     
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  12. breton1973

    breton1973

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    Thanks Charnwood, yes I was trying to move the nut with the red arrow! Tried the one you suggested but no joy either, but doesn't help that no body has probably touch the dam thing for 20 years!
    Anyway found someone willing to come out from one of these internet tradesman website, charged £50 for what took him 15minutes.Probably on the slightly pricey side but was happy to pay it for the peace of mind!
    But thanks for all your help though, really appreciate it....shame my crap wrench or lack of strength let me down! :oops: :LOL:
     
  13. vibrobullit407

    vibrobullit407

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    £50 for a call out and repair is not bad really. I know you say it only took him 15mins but when you factor in travel time, fuel and probably a min charge of 1 hour not that bad!
     
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