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Mend Myson Midas B Combi Boiler Heating Overheating

My Myson Midas combi boiler has a problem?

The heating side is working perferctly, however when I run the hot water for a bath or the shower it eventually makes a very load clattering noise and then the pilot light goes out. I think it overheats but I'm not sure. The pilot light can be relit. I've been advised that parts are hard to come by. If I could find a part does anyone know what might be causing this?

Myson Midas 'B' Boiler GC Number 47-838-01

Lea
April 2008
my hot water side is ok but the heating side is not working, the pump is coming in but the boiler is not firing up

peter
April 2014
? its the flow swith (plastic part with 1 white wire coming out the bottom side of part) midas b i ? gc number is 47.838.01 is this part avialable

paul bennett
June 2011
Hi,
I have exactly the same problem. Did you manage to sort yours out? If so, please contact marknaylor2703@yahoo.co.uk

Mark
December 2008
noy umps...pumps

tony
April 2008
myson midas brings back far and distant memories if i remember correctly does not this boiler have two umps one for heating one for hot watere if so hot water pump stuck/burnt out

tony
April 2008

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