Recent content by khalfa

I think posting my corgi number on the site is not a very clever idea. :roll: However useful and informative discussion/chat on the subject matter is most welcome. 8)

gasthepottertonengineer, any suggestions as to what I may attempt in the famous process of elimination? Mind you, I have already changed the pump, checked again, noise is definitely from the boiler. Lack of inhibitor can't cause this to a practically new boiler, can it? Apart from the noise, it...

Hi ollski, system was commissioned as per manufacturer's instructions ( except adding inhibitor as I still need to drain system to add new radiator). Did not see any instruction or requirement to set air/gas ratio. Anyway why is it necessary and how is it done?

surely Kev, lack of inhibitor should not cause that whining noise. However the system was thoroughly flushed. :?

I've installed a new potterton promax 24 HE condensing boiler only a few months ago as part of the existing open vented system which worked fine before the old boiler packed in. After a little while ( may be 3 weeks)every time the heating is switched on, after a few minutes there is a whining...