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Appreciate any help with this boiler giving low temp DHW. Limited experience with combies. Have fitted service kit and flow thermistor. Boiler modulates down to to low flame and both main heat exchanger pipes are really hot. Heat not transferring to DHW outlet unless the flow is screwed down to...

It is now the case that I can puchase all the kit I need to install central heating from my local B&Q Store.The mechanics of the install is mechano and could be carried out by anyone with a little common sense and a basic understanding of plumbing. Manufacturers litriture is quite explicate re...

Any ideas on the reason for this boiler not firing. Flue fan is running, Air pressure switch seems ok, pump is running and the pilot is established. The main gas will not fire. Appreciate any response.

Having trouble with the boiler flow water temperature not going any higher than around 30c. When this temp is reached the boiler then modulates on - off around 30c with the temp control set at max. Any ideas please.