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Located the pump switch - it is currently set at 2. Might try altering the setting - see if that may make a difference????? Boiler is due for servicing as it hasnt been done for around 18mths. Going to get this done early Jan/Feb so I'll get the engineer to check this if its still...

pump is switched on but being honest Im not sure where to locate any switch to adjust the speed?? where might this be?? If I remember rightly, this has happened before but only for so long then it stopped. Heating has always worked ok and never had any issues , only had to bleed the odd...

This happens when the boiler is either heating the water or on for heating the rad's - seems to happen for so long then quietens off then starts again. Its noisey but I suppose being realistic its not really loud. The boiler is situated in the integral garage. When it shuts off, all is...

Thanks for your response. It is an 'Ideal Classic' :) wall mounted convectional boiler

My boiler makes a kettling/whistling noise when the heating is on (although not continually). Heating seems to be working normally just have the annoying noise- what causes this and do I need to get someone to look at it? :?