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  1. I

    gloworm 30ci boiler

    after reporting pressure drop, replies came in re the expansion tank suggesting it probably needs pressurised, I want to check this. how is it done, and where is the valve for attaching pump cheers boys
  2. I

    pressure loss glo worm30ci

    pressure keeps dropping and shutting down boiler, no visible leaks, boiler cuts out at .6 bar, I fill to 1.5 bar, everything ok for a few hours, new pressure valve fitted, overflow still dischrges water. help please ian058
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