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Heating system issue.

  • 10-10-2016 9:14pm
    #1
    FrancieBrady
    Registered Users, Registered Users 2 Posts: 70,127 ✭✭✭✭


    I am wondering if anyone could have a go at explaining to me what is going on here.
    Oil fired boiler (pressured system)
    When cold the pressure is at 1-2 bar but when heating hot water it will go up to 3bar (system was set for a max 2.5 bar - red handle on the guage)
    When the rads are heating it is running up over 3 bar, I didn't let it go higher.

    It used not do this fluctuating, holding steady at 2.5 when running.


Comments

  • #2
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,840 ✭✭✭✭Dtp1979


    Your expansion vessel is either flat, burst, undersized


  • #3
    FrancieBrady
    Registered Users, Registered Users 2 Posts: 70,127 ✭✭✭✭FrancieBrady


    Dtp1979 wrote: »
    Your expansion vessel is either flat, burst, undersized

    Cheers for the reply.
    Has the EV lost pressure..it isn't burst from what I can see.
    Do I need to get it re-pressured or get a new one?


  • #4
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,840 ✭✭✭✭Dtp1979


    FrancieBrady wrote: »
    Cheers for the reply.
    Has the EV lost pressure..it isn't burst from what I can see.
    Do I need to get it re-pressured or get a new one?

    There's no real way of knowing until you re pressurise it. You'll know within a few days if it's a success or not


  • #5
    FrancieBrady
    Registered Users, Registered Users 2 Posts: 70,127 ✭✭✭✭FrancieBrady


    OK, thanks.


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