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  1. R

    Baxi Combi Instant 105e - intermittent DHW

    hi baxpoti.. thank you for your suggestion of replacing the DHW diverter valve.. I am a little hesitant at doing this as I have tested the function of the valve and it seems to be working fine ie. when the hot water tap is switched on the pushrod clearly moves out and in turn activates the...
  2. R

    Baxi Combi Instant 105e - intermittent DHW

    thanks for the feedback.. i have ordered a replacement diaphragm, which will be here soon. however today i was playing with the boiler and tested both pressure switches (DHW demand and 3 way valve) and they seemed to function perfectly well, as did the microswitches. What i have noticed is...
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    Baxi Combi Instant 105e - intermittent DHW

    Intermittent DHW. No real obvious symptoms to suggest what it could be. Tried Preheat on and off.. Tried just DHW with CH off... Changed both microswitches for secondhand spares... One thing i have noticed is that the RESET function doesn't seem to work anymore... I'm sure it used to make the...
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