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  1. G

    Alpha 240E problem

    Waterworks your a star. Just so i get this right, isolate water supply at stop cock, no need to drain, by far my biggest concern. Turn on hot water to drain water supply from hot water. Access diaphragm housing, which I think from research is in the second vertical chamber behind the...
  2. G

    Alpha 240E problem

    Have just done what you said, not sure if good or bad news. Pin seems to come part way out, not far enough to push the mircoswitch. When I manually flip, hot water comes on, so I guess its not the mircoswitch, is this therefore a problem with the pin sticking, or a diaphragm problem. If...
  3. G

    Alpha 240E problem

    All, first post and looking for a bit of advice, have read a few other older topics relating to this boiler but none quite cover my issue. Basically for the past 8 weeks UU have been digging up my street replacing water pipes, while they were doing this the water pressure dropped and as a...
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