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Hi Tony Sorry if I caused offence I have never used these forums and I am def not technically minded as my husband is contantly reminding me of What I was trying to but failed to say was Thank you to you as without even seeing the boiler and from my brief description of what was wrong with...

Hi Tony I spoke to a Biasi engineer today who said the fault is the heat exchanger being blocked just like you mentioned could be the cause. He said I will need to replace the heat exchanger for the DHW and fit a Scale master reducer on the water and a magna clean filer for the CH. He...

Thanks Tony could this still happen if the rads were all new? We installed all new pipes, conections, rads and the boiler at the same time? Do you know if this is a costly to flush the system and replace the heat exchanger?

Hi I am having problems with my combi boiler, the boiler is now 2 years old and usually no probs but yesterday I increased the water pressure and increased the DHW temp to from4 to 5 and noticed the water got really hot but then got really cold and then the boiler locked out so I reset it but...