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Hi Agile, Sorry, I am a bit confused now... you posted something and it was deleted? Anyway, are you saying I could have and should have used FX2? It was FX3 that I added to the system. Cheers, Vince

Hi, I have now power flushed the system, installed a new diverter valve and a new pump. What a weekend... Anyway, things seemed well until I got home tonight. Place was warm but boiler flame was not on. Noticed that it was coming on for a few seconds and then shutting off right away...

Hi, Could someone please sanity check my planned power flush procedure please? Bengasman mentioned using fx2 - but Kamco state the boiler as having an aluminium heat exchanger - so I plan to use Fernox FX3 for a week, then flush. Does this seem sensible? Thanks, Viniga

Hi Morris, I have ordered a new pump and diverter valve - from researching the posts it seems the diverter is most likely the problem. My rough plan is to hire a power flusher, flush the system replace the parts and see what happens. Cost at the moment is getting on for £250 including...

Thanks for the replies, a couple of follow up questions if you don't mind. How difficult a job is replacing the diverter valve? I can't seem to find and installation/maintenance manual on-line for this - anyone know where I can get one? I have a supplemental manual that mentions using...

Hi, I have been lurking for a while trying to research how to fix my boiler, hopefully without having to call in a plumber. First what I know: The boiler is a baxi/potterton Combi 100. It is now 7 years old. The system consists of 6 column style rads and one towel rad. No bypass is...