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Fill and expansion tank connection query

  • 01-12-2014 4:31pm
    #1
    ligertigon
    Closed Accounts Posts: 556 ✭✭✭


    I have recently fitted rads and a boiler to an existing system. Inadvertently, I connected the flow to the header and return to the expansion.
    Considering the boiler (oil) has a 3 bar pressure relief valve fitted.
    What are the problems with this setup?


Comments

  • #2
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    ligertigon wrote: »
    I have recently fitted rads and a boiler to an existing system. Inadvertently, I connected the flow to the header and return to the expansion.
    Considering the boiler (oil) has a 3 bar pressure relief valve fitted.
    What are the problems with this setup?

    Can you draw a diagram ?


  • #3
    ligertigon
    Closed Accounts Posts: 556 ✭✭✭ligertigon


    Sorry dont know how to draw and present here.

    Basically the flow and return terminate in the hot copper tank coil.
    The flow (hot) tee's off to the header tank fill. And the return is connected to the expansion pipe.
    I know it should be the other way around, but was curious of the consequences if any.

    Its an "open" vented system


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