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Rad not heating

  • 12-09-2017 8:26pm
    #1
    blacknight83
    Registered Users, Registered Users 2 Posts: 213 ✭✭


    Having an issue with radiator in kitchen it won't heat up,
    I have tried to bleed all my rads in house also knocked all Rads off and it will then get heat.. however when I fire up the central heating next day same rad gets no heat..

    Any ideas before I have to get a call out

    Thanks


Comments

  • #2
    froshtyv
    Registered Users, Registered Users 2 Posts: 225 ✭✭froshtyv


    When you bled the rad did air come out?

    Has it always been cold or just started recently?

    If the rad heats up with the rest of the rads in the house turned off, then its a balancing issue.

    The other rads are "stealing" the heat as water will flow through a circuit with less resistance.
    The radiators are usually balanced at the lock shield valves on the radiator itself.

    Try and close down a few of the rads a small bit closest to your boiler, you will force the circulation to then go to your kitchen rad.

    If you keep getting air in the rad, then you more than likely have a build up of hydrogen gas in the system.
    This is caused when the water in your heating system starts to react with the pipe or radiators internally.

    https://www.youtube.com/watch?v=0GXDKxX9C7E


  • #3
    blacknight83
    Registered Users, Registered Users 2 Posts: 213 ✭✭blacknight83


    Yes I bled all rads in house and got some air out from them.. happened last year didn't really worry about it but will have to get it sorted .. silly question how do I balance the rads ?

    Thanks for help ðŸ‘


    froshtyv wrote: »
    When you bled the rad did air come out?

    Has it always been cold or just started recently?

    If the rad heats up with the rest of the rads in the house turned off, then its a balancing issue.

    The other rads are "stealing" the heat as water will flow through a circuit with less resistance.
    The radiators are usually balanced at the lock shield valves on the radiator itself.

    Try and close down a few of the rads a small bit closest to your boiler, you will force the circulation to then go to your kitchen rad.

    If you keep getting air in the rad, then you more than likely have a build up of hydrogen gas in the system.
    This is caused when the water in your heating system starts to react with the pipe or radiators internally.

    https://www.youtube.com/watch?v=0GXDKxX9C7E


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