worcester standard 28i junior

sbriley · 13 Nov 2007

the combi lights up ok the problem is when the heating is about up to temp the boiler sounds like a kettle.then the flame goes out this happens for about 20 mins the the boiler runs with out any noise.
at no time does the boiler lock out it just sounds like the water is to hot
i have has the thermisters change

please help

tabs · 13 Nov 2007

Circuit board problem. Had the same fault with this boiler a month ago if its the old one with the bithermal HX

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worcester standard 28i junior

sbriley

tabs

DIYnot Local

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