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Glow worm 24ci losing pressure...now has no pressure at all....

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  • Glow worm 24ci losing pressure...now has no pressure at all....

    Hi I have a glow worm 24ci, late July it started losing pressure when I switched the heating on. British Gas came out and decided it was the bypass and safety valve. A week later they replaced the bypass and safety valve and also added some leak sealant. However the boiler still lost pressure...dropping to 0.5 bars if I ran the heating. British Gas thought that I needed a powerflush and also thought there is a leak but couldn't find any signs of a leak. Anyway I got the powerflush done by a plumber I know quite well. After the powerflush the bars rose to 2.5. As soon as I switched on the heating after 30 mins or so the bars shot up to 3.2 which didn't look right to me. The bars then dropped to 0.0 and I haven't had any hot water or heating since. Does anybody know what could be wrong with my boiler? Is it dead?

  • #2
    Sounds like the heat exchanger turn boiler off presurise it and disconnect the condense pupe if it drips, its the primary heat exchanger

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    • #3
      urban plumbing

      Hi given all the work you have done already it sounds as if your pressure vessel needs to be changed. There is probably a hole in it.

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      • #4
        yes another vote for either pressure vessel lost charge, or ruptured membrane within pressure vessel.

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