Recent content by ronbot

  1. R

    Potterton performa 24 DHW problems

    "Its difficult to see most of the blockages in a plate HE and they dont come out much with water flow. You really need acid to dissolve it but that can be dangerous! Shaking water in in out from the heating flow port will often get quite a bit out but its still no substitute for acid...
  2. R

    Potterton performa 24 DHW problems

    Ok I have taken out both heat exchangers. Both had a bit of crap in but nothing too bad. Certainly no blocks. I flushed out on an external tap (mains pressure). Before I refit, is there anything else I should check??
  3. R

    Potterton performa 24 DHW problems

    Thanks yes the gas stop cock is fine, Ive double checked. Ive read some more info pointing toward the plate heat exchanger. Im going to remove and clean. I could easily beleive its that sort of problem as the boiler DHW heat has gradually reduced in efficiency over some time. In...
  4. R

    Potterton performa 24 DHW problems

    Thanks for the prompt reply. I understand the "hot water colder in winter" factor. The boiler has actually heated a lot better in the past when ambient temperature was lower than it is now. Not even sure where the water meter is, i guess in the road somewhere??? I certainly haven't...
  5. R

    Potterton performa 24 DHW problems

    I had this combi boiler fitted to my 1 bed house, fitted about 3 years ago. Lately DHW heating has reduced in efficiency. When I first got the boiler, if I turned on the hot water tap fully for the bath, I had hot water hot enough that it was only possible to hold my hand under it for a...
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