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  1. G

    Combo dhw problem

    Ha ha yeah hope he doesn't turn up again. It was on a service contract and he kept turning up to repair it after he had serviced. I lost patience after the fifth or sixth time (I'm a patient person) phoned and asked for another engineer who fixed it first time. Don't know if its worth going...
  2. G

    Combo dhw problem

    Is rgi essentially a service ? Do I have to specify an rgi? I was under the impression the usual boiler service was more like a safety check and didn't cover how well it was operating? The last time I had my old combi serviced he was in and out in a flash and did more harm than good. (The pilot...
  3. G

    Combo dhw problem

    So I will need to call in a pro. Heat exchanger I imagine is pricey. Will powerflushing clear the debris? Is there anything I can do to improve the situation I could do without shelling out hundreds on the boiler Thanks for your help
  4. G

    Combo dhw problem

    Should I adjust at external stop or internal. Or not matter? I have adjusted new internal stopcock so it only slightly open. Have opened about 2 turns. The flow is noticeably lower than before. However I still have the same problem when taps are fully opened. The water comes out lukewarm at...
  5. G

    Combo dhw problem

    I have tried turning down the new internal stopcock a few turn and it made no difference. But I had the outside stopcock off whilst I did it so maybe I opened that too far when I finished. It seems to get cold and takes ages to get really warm again when the tap amount is reduced
  6. G

    Combo dhw problem

    Sorry if this has been asked before I have read a few responses to similar questions but I want to ask. I have a combi alpha cd25c, I don't the history of as it was installed before I moved here. After noticing on of the downstairs radiators was completely cold except at the top (it is top...
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