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Tap opening half way

  • 11-03-2010 9:16am
    #1
    seanie2
    Closed Accounts Posts: 44 ✭


    The cold tap in my bath will only open half way and then it gets stuck? any solutions anyone?


Comments

  • #2
    items
    Closed Accounts Posts: 672 ✭✭✭items


    seanie2 wrote: »
    The cold tap in my bath will only open half way and then it gets stuck? any solutions anyone?

    Tap internals could be caked up with limescale, that or some how tap spindle has slipped a thread. No real way of telling without taking tap apart. Spraying WD40 etc wont really work due to tap being sealed.

    Standard tap internals can be replaced, not a big job if your ok working with tools etc. If not, having a plumber replace internals wont cost to much.


  • #3
    kaizer13
    Registered Users, Registered Users 2 Posts: 69 ✭✭kaizer13


    This condition is usually caused by water getting past a worn "o" ring seal within the mechanism. The blob of water gets trapped between the end of the threaded operating bolt and the inside of the hexagonally sided cylinder that carries the tap washer. The mechanism becomes hydraulically locked. The mechanism may be stripped and blob of water released, all moving parts re-lubricated and reassembled. This is only a very temporary solution and the best option is to fit a new replacement mechanism.

    Limescale can often be responsible for the initial wear in the "o" ring seal having taken place but not always. The quality of compression tap mechanisms over the last twenty years seems to have gone down and it is these modern taps that seem to suffer the most. I have come across this problem in basic contract taps and just as often in some of the more expensive designer taps.

    In cases where I have been unable to source suitable replacement mechanisms for the less common taps that have failled due to hydraulic locking, I have successfully managed to perform a simple modification to the existing mechanisms to satisfactorily eliminate the problem.


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