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Cold radiator problem - has been bled

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  • 08-02-2007 10:40am
    #1
    sweetie
    Registered Users Posts: 9,795 ✭✭✭


    As above. It isn't turned off and there is no heat in either of the pipes running to it. Any ideas?


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    #2
    deckie27
    Registered Users Posts: 1,901 ✭✭✭deckie27


    probably full of air
    You will need to "bleed" it
    A proper key makes this job 10 times easier.
    The key is like a Key you would windup a clock with
    you should see a place in the top of the raditator (Back or side) that looks like a square headed screw
    Basically you open this a little and air will start comming out. when water starts comming out turn the key back again to close it.
    Job done.


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    #3
    crosstownk
    Registered Users Posts: 12,863 ✭✭✭✭crosstownk


    Does it have thermostatic valve? - if so it could be stuck.
    Untitled Image




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    #4
    sweetie
    Registered Users Posts: 9,795 ✭✭✭sweetie


    It has been bled. Water comes out when I turn the key. See title of thread!
    Thanks. There is no thermostatic thingy on it either. Just regular plastic caps on both ends.
    deckie27 wrote:
    probably full of air
    You will need to "bleed" it
    A proper key makes this job 10 times easier.
    The key is like a Key you would windup a clock with
    you should see a place in the top of the raditator (Back or side) that looks like a square headed screw
    Basically you open this a little and air will start comming out. when water starts comming out turn the key back again to close it.
    Job done.


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    #5
    deckie27
    Registered Users Posts: 1,901 ✭✭✭deckie27


    Sorry I never noticed

    Is this the only radiator on the system that doesn't work ?


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    #6
    sweetie
    Registered Users Posts: 9,795 ✭✭✭sweetie


    deckie27 wrote:
    Sorry I never noticed

    Is this the only radiator on the system that doesn't work ?

    That's ok.

    The bathroom rad isn't wonderful but has some heat in it. Basically the heating has never been great. There is a massive rad in the kitchen extension that needs to be off to get more heat into the rest of the house. Plumber I use told me that the house was extended but the heating system wasn't.
    There are 9 rad in total. I have the hallway one switched off constantly.


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    #7
    crosstownk
    Registered Users Posts: 12,863 ✭✭✭✭crosstownk


    It sounds like the system may need to be balanced. Some info here > http://www.diydata.com/projects/centralheating/balancing/balancing.htm

    Also, is the pump working correctly? Some pumps have a speed switch - put it to maximum and see what happens.
    Untitled Image




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    #8
    sweetie
    Registered Users Posts: 9,795 ✭✭✭sweetie


    I had a read and will try it tonight. Will also check temp gauge. Thanks to ye all.
    crosstownk wrote:
    It sounds like the system may need to be balanced. Some info here > http://www.diydata.com/projects/centralheating/balancing/balancing.htm

    Also, is the pump working correctly? Some pumps have a speed switch - put it to maximum and see what happens.


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