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  1. C

    Only warm water at taps?

    Thanks - you guys are champs. I'll redo the descaling (safety precautions noted) - with a vengeance this time, and then look at the gas settings if necessary. Thanks again.
  2. C

    Only warm water at taps?

    Ok, got the answers to the questions: I got the specs. for the thermostat and it's good - 1K to 10K ohms. The change if temp. I am getting at the moment is a dismal 26C - while it the theoretical potential is 47.5C at 7l/min. The gas consumption is around 0.014 cubic meters or 0.5 cubic...
  3. C

    Only warm water at taps?

    No it's not the unit behind that link - it definitely has a secondary heat exchanger and it looks exactly like the one in your picture (minus the brass bits as you said). Oust is just a particulalry powerful household descaler, and it sure bubbled quite violently when I did it. It must have...
  4. C

    Only warm water at taps?

    Just checked if the CH flow pipe heats up when I turn on the HW tap and it doesn't. However, it does heat up when I turn the tap off again, but from what I have read in this forum, that's normal - isn't it?
  5. C

    Only warm water at taps?

    Thanks ChrisR - I was starting to wonder if it was something I said? 1) Flow rate = 7L per minute 2) Yes - I have a thermometer 3) Took out secondary HE, poured Oust descaler into it, let it bubble for about two hours, ran fresh water through it for a minute or two and then refitted it to...
  6. C

    Only warm water at taps?

    Still no help. hmmph. What did I do wrong? :( :(
  7. C

    Only warm water at taps?

    Anybody? :(
  8. C

    Only warm water at taps?

    Hello - I've read through threads and haven't found the solution to my problem. Hope someone can help. I have an Ariston EuroCombi A/23 MFFI. I live in an area with radical limescale build-up and because of this, I had the secondary heat-exchanger replaced about 9 months ago - flow...
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