Recent content by graymond1111

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    Pressure drop on unvented system

    Thanks both for the reply and advice. We got the external tank re-pressurised under the warranty last week but as you say, it's solved the issue of water coming out of expansion pipe but still doesn't help the heating system. Boiler pressure drops from 1.5 bar to zero in a few hours (max). I am...
  2. G

    Pressure drop on unvented system

    Hi, this is my first post on this forum so apologies if terminology etc is incorrect but running out of options with this problem before escalating to insurance to trace leak. To summarise Worcester 30 CDI Classic Boiler, Albion Ultrasteel 180L Indirect tank, Zilmet ultra pro expansion tank...
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