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  1. M

    best replacement for powermax 155s

    Hi, can anyone recommend a replacement boiler for powermax 155s, it is installed in a space in the middle of the flat, Thanks
  2. M

    Powermax 155 only working at 2.5 bar and above!!!!

    Hi, I am having problems finding the source of the problem, 6 months ago the pressure kept dropping so expansion tank was changed, which helped, since then the boiler will only fire when it is above 2.5bar, when it drops to 1.5bar it just locks out, and ideas any one!!!!!
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