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  1. R

    Minimal hot water from Vaillant Combi Boiler

    Thanks for all the suggestions. I'll give that last one a go. Looks to be heading towards the heat exchanger though. I had a look at the boiler and it's at the back behind a lot of pipe-work. I bet it's gonna be an expensive job :(
  2. R

    Minimal hot water from Vaillant Combi Boiler

    Someone else has suggested it could be the heat exchanger scaled-up...
  3. R

    Minimal hot water from Vaillant Combi Boiler

    Hoping to catch the eye of a central heating engineer or DIY-savvy person out there... Our boiler has been working fine for all the time we've lived in this house (4 years) and was apparently new(ish) when we moved in. But all of a sudden the hot water from the taps has stopped. Water comes...
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