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Cold radiator help

  • 31-10-2019 11:14am
    #1
    SierraTango
    Registered Users, Registered Users 2 Posts: 115 ✭✭


    One of my radiators is not heating up at all. Completely cold. I've bled it and all the air is out of it and it's turned on to 5 on the valve. Heating is a heat pump system with two zones, upstairs and downstairs. This radiator is downstairs and when the heating is on, the other downstairs rads are hot, as are the upstairs ones. Th

    Any suggestions on why one rad wouldn't heat up? Thanks!


Comments

  • #2
    listermint
    Registered Users, Registered Users 2 Posts: 34,216 ✭✭✭✭listermint


    SierraTango wrote: »
    One of my radiators is not heating up at all. Completely cold. I've bled it and all the air is out of it and it's turned on to 5 on the valve. Heating is a heat pump system with two zones, upstairs and downstairs. This radiator is downstairs and when the heating is on, the other downstairs rads are hot, as are the upstairs ones. Th

    Any suggestions on why one rad wouldn't heat up? Thanks!

    The outflow valve could be closed, (usually on the left side)

    Dirt in the rad (generally if the system is older or well supplied water)

    The system needs balancing, (balance all rads to equalise their heating evenly)


  • #3
    Czhornet
    Registered Users, Registered Users 2 Posts: 461 ✭✭Czhornet


    Close off the other zone and turn off all the other rads in the zone with the cold rad. then turn the heat pump on, the circulation pump will move any possible air lock on the high point of a pipe.


  • #4
    Up Donegal
    Registered Users, Registered Users 2 Posts: 1,236 ✭✭✭Up Donegal


    listermint wrote: »
    The outflow valve could be closed, (usually on the left side)

    Dirt in the rad (generally if the system is older or well supplied water)

    The system needs balancing, (balance all rads to equalise their heating evenly)

    How do you balance the radiators? :confused:


  • #5
    cletus
    Registered Users, Registered Users 2 Posts: 8,190 ✭✭✭cletus


    Up Donegal wrote: »
    How do you balance the radiators? :confused:

    https://www.homebuilding.co.uk/how-to-balance-radiators/

    Lots of other instructionals online for it, but that's the basic idea


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