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    analysers

    Thanks very much
  2. D

    Baxi 105HE, Repaired it, but no hot water unless two taps on

    Had another look today, turned out to be the thermostatic shower passing cold water into the hot water pipes as 45yearsagasman & MUFC1999 suspected. Thanks to everyone that offered help. Just goes to show you never stop learning in this game. :D
  3. D

    analysers

    Hi, I'm after an analyser. Who is the company that you recommend you don't mention who they are. Cheers
  4. D

    Baxi 105HE, Repaired it, but no hot water unless two taps on

    burner now stays on when hot water demand is called for and all burner pressures etc are spot on.
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    Baxi 105HE, Repaired it, but no hot water unless two taps on

    I think the only mixer valve tap is in the kitchen, all the others are singles. I'll let you know the outcome (if I can get the straight jacket off to type). Cheers
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    Baxi 105HE, Repaired it, but no hot water unless two taps on

    Already checked flow and return pipes with boiler in DHW mode only and they are not getting hot. Also there are no fault diagnostic lights showing and the diverter valve is switching over OK from DHW to CH. This one is a real weird one. If all DHW taps are connected to each other as they should...
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    Baxi 105HE, Repaired it, but no hot water unless two taps on

    Thanks for the reply. Yes the pump is working fine (heating working fine to)
  8. D

    Baxi 105HE, Repaired it, but no hot water unless two taps on

    Hi, I am looking at a Baxi 105HE. Customer had no hot water, as the main burner was cycling on/off due to heat build up. After some diagnostics I replaced the plate heat exchanger and the DHW diaphram, which cured the problem and the burner now stays on when hot water demand is called for and...
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