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Bleed nipple/screw for home radiator.

  • 27-01-2013 5:30pm
    #1
    dickwod1
    Closed Accounts Posts: 2,101 ✭✭✭


    Hi, One of my radiators bleed nipples has rung on me and I need a replacement for it.

    The rad is about 20 years old and the bleed nipple is screwed into the back of the rad on the top right hand side

    Any idea where I could get a replacement nipple/screw for it?

    Thanks.


Comments

  • #2
    dpofloinn
    Registered Users, Registered Users 2 Posts: 744 ✭✭✭dpofloinn


    Most plumbers merchants will have replacement screws but if the one you have already has sheared off you will earn it to replace it.You might be better off drilling a tiny hole in the top of the rad and putting a self tapping screw in there to act as your bleed point


  • #3
    dickwod1
    Closed Accounts Posts: 2,101 ✭✭✭dickwod1


    Hi, no it hasn't sheered off it's threads are rung from over tightening a new should just screw back in,
    Thanks.


  • #4
    AgathaC
    Registered Users, Registered Users 2 Posts: 32 ✭AgathaC


    Hi, we recently bled all our rads but 1 or 2 of them still don't heat up fully. They seem to get very warm at the bottom but not at the top. Any ideas what's causing this please?


  • #5
    dickwod1
    Closed Accounts Posts: 2,101 ✭✭✭dickwod1


    Did you try bleed them again?
    If the water is hot in both pipes then the rad itself might be blocked with sludge and need a flush out.


  • #6
    AgathaC
    Registered Users, Registered Users 2 Posts: 32 ✭AgathaC


    dickwod1 wrote: »
    Did you try bleed them again?
    If the water is hot in both pipes then the rad itself might be blocked with sludge and need a flush out.

    No we just bled them once.. How do you flush them out? Is that the same as bleeding but just to let the water pour out for a while?
    Thanks..


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  • #7
    dpofloinn
    Registered Users, Registered Users 2 Posts: 744 ✭✭✭dpofloinn


    Flushing is essentially power washing your heating system from the inside out clearing all the sludge and crud built up inside your rads and pipes over the years so that hot water can freely pass through your system which will boost the efficiency of your system.As for your rads there is air still in them sometimes it can take a few goes to purge all the air from them


  • #8
    AgathaC
    Registered Users, Registered Users 2 Posts: 32 ✭AgathaC


    Is it something we could do ourselves? If so, how do you do it?
    Thanks


  • #9
    dickwod1
    Closed Accounts Posts: 2,101 ✭✭✭dickwod1


    First of all bleed them again and see does that solve the problem


  • #10
    dpofloinn
    Registered Users, Registered Users 2 Posts: 744 ✭✭✭dpofloinn


    As dickwod said bleed them first don't over think it.Power flushing is not something i would advise as a DIY,especially anyone that is not very very familiar and comfortable with plumbing and heating.If you are concerned about it ask your your OFTEC engineer at your next boiler service about doing it


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