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    Combi boiler pressure vessel

    Thank you all for the useful information. Much appreciated.
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    Combi boiler pressure vessel

    Thanks for the replies, please forgive my ignorance but what do you mean by room sealed case? There is one big screw at the bottom of the boiler, once undone the cover comes off. Then you have access to the expansion vessel on the top right. What I was wondering is, could the EV not be...
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    Combi boiler pressure vessel

    Just to be clear, I am not referring to putting water into the system. I am talking about how much to charge the pressure vessel with air. Vaillant Ecotec Plus Expansion Vessel Part No. 181051 is the item in question. Thanks for the replies.
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    Combi boiler pressure vessel

    Hi all. I am wondering if someone could tell me what are the consequences of putting too much pressure into a combi boilers pressure vessel? My understanding is the pressure vessel should be charged with 1 bar of air. What problems would potentially materialise if it is filled it to 2bar or...
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