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hi all, i have broken the glass in my Rothenberger manometer :( (the traditional type ones that have been about for ages with the black cover and the stud at the bottom that locks it in place) someone told me its possible to buy jst a replacement glass rather than a complete replacement or one...

hi all, last week i changed the DHW heat exchanger on a vaillant GB 242 EH its about the 3rd ive done in the last few years, the others with no problems, this 1 however.... :x after refilling an checking there was no leaks i thought the worst was over, i then turned the boiler on, the pump ran...