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Thanks for the suggestion @ianmcd. Here is the youtube link to the problem.

Hi all! I'm having an odd problem with my Back Combi 105 He, and I'm wondering if anyone can offer suggestions. The problem is that when we are using the shower, the water will sometimes run cold for a minute or so, before going back to warm. This has happened on and off for a few years but...

Thanks Ian, I'm at work now but I'll take a look at that this evening. If the pin is not retracting properly is that indicative of a faulty diverter valve? In this case should it be cleaned/serviced or replaced? Thanks Tom

I haven't, no, and I will give that a try, but I don't think that's the problem. The heating starts and stops working based on the flow of hot water, with no change to the operation of the thermostat. I would expect that if the thermostat was failing to communicate with the boiler, then the...

I have a remote control thermostat, but that seems fine. When I do the trick with the running water, the temp control on the thermostat seems to work fine

Morning all, I have a problem with my Baxi Combi 105 HE boiler. I think I know what the problem is but I'd really like to run it by some more knowledgeable folk before I commit to it. There is always plentiful hot water, but the radiators do not come on. The hot water demand light is always...

@ Lower - yes, using the hammer setting on the drill

Afternoon chaps, I'm having a litte problem that I'm hoping someone may be able to advise on. I am building a shed in my back garden (it's actually going to be a very small pub, but more about that in a later post). When I moved in there was already a reasonably flat patio down over most of...