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self acting air realise valves for radiators

  • 23-02-2014 5:34pm
    #1
    handlemaster
    Registered Users, Registered Users 2 Posts: 6,003 ✭✭✭


    Anybody experience with these ? Also anywhere in Dublin that sells them ?

    Should read release...


Comments

  • #2
    handlemaster
    Registered Users, Registered Users 2 Posts: 6,003 ✭✭✭handlemaster


    anybody have experience of these ?


  • #3
    Outkast_IRE
    Registered Users, Registered Users 2 Posts: 7,516 ✭✭✭Outkast_IRE


    No experience as they shouldn't be necessary in my opinion.

    How often do you need to bleed the rads ?


  • #4
    Billy Bunting
    Registered Users, Registered Users 2 Posts: 2,842 ✭✭✭Billy Bunting


    If you need to bleed rads you have another issue, adding an auto air vent will hide the issue.


  • #5
    handlemaster
    Registered Users, Registered Users 2 Posts: 6,003 ✭✭✭handlemaster


    Billy Bunting wrote: »
    If you need to bleed rads you have another issue, adding an auto air vent will hide the issue.

    Every two months it has to be done. Only started happening two years ago after I had three radiators changed.


  • #6
    Outkast_IRE
    Registered Users, Registered Users 2 Posts: 7,516 ✭✭✭Outkast_IRE


    handlemaster wrote: »
    Every two months it has to be done. Only started happening two years ago after I had three radiators changed.

    Is it a pressurised system or an open system ?


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  • #7
    handlemaster
    Registered Users, Registered Users 2 Posts: 6,003 ✭✭✭handlemaster


    Outkast_IRE wrote: »
    Is it a pressurised system or an open system ?


    whats the difference ?


  • #8
    murphaph
    Registered Users, Registered Users 2 Posts: 19,049 ✭✭✭✭murphaph


    handlemaster wrote: »
    whats the difference ?
    The open system has a small tank (usually in the loft-not your big water tank used for flushing the toilet, taps etc.) to provide the head of water in the system. The sealed system has an expansion vessel somewhere instead of a tank basically. In a sealed system you should have a system pressure gauge (often integrated into boiler) reading between 1 and 2 bar depending on make and model etc. The expansion vessel might not be visible as it can be inside the boiler casing as well.


  • #9
    handlemaster
    Registered Users, Registered Users 2 Posts: 6,003 ✭✭✭handlemaster


    I have the small tank in the attic


  • #10
    Outkast_IRE
    Registered Users, Registered Users 2 Posts: 7,516 ✭✭✭Outkast_IRE


    handlemaster wrote: »
    I have the small tank in the attic
    The usual advice to check for a leak would be when the system is cold, tie up the ballcock and mark the level of the water in the tank. Check it a periodically over the next few days when the system is cold and see is the water level dropping.

    If its dropping you have a leak.


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