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  1. J

    Powermax 155x high pressure problem

    if by coppice you mean coppice gardens in harrogate then no, i'm from northallerton. if by coppice your on about some plumbing term then i don't know! sorry i'm a simpleton i know!LOL
  2. J

    Powermax 155x high pressure problem

    Thanks ! by expansion vessel do you mean the blue DHW expansion Vessel? or is there another one somewhere? Will try as soon as the pressure drops all the way to zero. Thanks again
  3. J

    Powermax 155x high pressure problem

    some further information if needed.......... its a Range Powermax (Division of RSA Water heating Ltd) (who no longer exist i think) All radiators have been bled and work fine! I'm a total novice when it comes to these horrid combi boilers but the installation instructions have quite a...
  4. J

    Powermax 155x high pressure problem

    i have recently moved into a second floor flat and have a problem with my Powermax 155x boiler. when the program clicks on (in timed mode) it seems to work fine but the pressure gauge rises to approximately 2bar before allowing any water to circulate around the radiators (after about...
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