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hi tony, i have got two heat exchangers in my boiler, the main heat exchanger and the dhw exchanger,which one did you mean. also the dhw exchanger has been looked at and is completely free of debris,thanks jason

hello, i would not use a chemical stripper under any circumstances to remove emulsion of any wall,because its just to messy and you would need a lot of stripper. a steam stripper should have taken all the paint off,but you need the right scraper to make the job easier,the one to use is a long...

hello kitch0978, the filling loop is open when i need to build the water pressure up to 1.5 bar. i will just give you an update about my boiler now. when the heating is off and i turn on the hot water tap,the burner fires up ,water starts to come through cold then luke warm,then the burner...

hello,the problem with my boiler is this,the hot water is not working,the dial is swiitched on to heating/hot water and in the summer to hot water only.what happens is when i turn on a hot water tap the burner fires up and within one minute theres a loud bang and the boiler releases the pressure...