Need help in replacing Expansion vessel in EVC13

  1. T
    Medlem · 1 inlägg


    Hi all,

    I need help in replacing the expansion vessel of my EVC13 home heating system.
    The vessel is licking air, each time I refiled it takes just couple of hours and it's empty again.

    Firstly, I need a suggestion where to buy a replacement tank here in Sweden, I found one online in the UK but it would be better if I could get it locally.

    Secondly,I need some sort of a procedure on how to replace the old with a new working expansion vessel.

    Attached are some pictures of the system.

    I will deeply appreciate any suggestions.

    Thank you all in advanced :)

    Kind Regards,

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