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what is wrong with back boiler?

when i light my open fire the back boiler causes a banging noise in the radiators - what could the problem be ??

nryan
January 2011
Heating, Home Heating SystemsWrong Back Boiler
its overheating the water to the cylinder. turn the pump on to heat the radiators. it should quieten down.

S.PRIESTLEY gas fitter in barnsley
January 2011
air lock or most likely the pump is faulty

brian
January 2011

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