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expansion tank stopcock

  • 18-06-2013 10:47pm
    #1
    coco0981
    Registered Users, Registered Users 2 Posts: 1,298 ✭✭✭


    was in my attic this evening and noticed a stopcock that was closed coming from the water tank. Traced it down to the expansion tank beside cylinder in hot press. Its a "cimm" expansion tank. Maybe this is right it just struck me as odd for the stopcock to be closed. Heating works fine by the way,does anyone know if this is the correct position for this?


Comments

  • #2
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    coco1981 wrote: »
    was in my attic this evening and noticed a stopcock that was closed coming from the water tank. Traced it down to the expansion tank beside cylinder in hot press. Its a "cimm" expansion tank. Maybe this is right it just struck me as odd for the stopcock to be closed. Heating works fine by the way,does anyone know if this is the correct position for this?

    Sounds like you have a "semi-sealed" system. If it is I would convert back to a fully sealed system with a disconnectable filling loop.


  • #3
    coco0981
    Registered Users, Registered Users 2 Posts: 1,298 ✭✭✭coco0981


    Thanks. Was just curious as i assumed stopcocks would only be turned off if there was a problem that needed fixing. Thought maybe someone had forgotten to open it again


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