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  1. 2

    Ferroli Modena 80E DHW gets hotter and hotter

    Although my initial posting is true its not the real issue, and is a bit misleading. The real issue isn't related to flow. Because the behaviour is so erratic its been difficult to diagnose what the issue is. However, I think I now understand what it is. The issue seems to be that the DHW is...
  2. 2

    Ferroli Modena 80E DHW gets hotter and hotter

    Thanks for the suggestion. I've had the original thermistors put back in, and the hot water is still temperamental. I've measured the temperature of the hot water using a digital thermometer, and noticed the temperature gradually increasing 1 degree every 30 seconds or so until it got to 67...
  3. 2

    Ferroli Modena 80E DHW gets hotter and hotter

    Hi, I have a Ferroli Modena 80E, and I recently had the Venturi replaced because the gas kept firing on and off every few seconds. At the same time the Engineer also replaced the thermistors, but they were copy parts and not Ferroli. Now when I have a shower the DHW is getting hotter and...
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