noisy boiler noise in DHW mode

Alan Carruthers · 19 Nov 2005

Hi All,
got a Problem with a Worcester 24cdi every time i call for HW a loud banging noise coming from boiler. i,m thinking air! CH OK No banging. or do you think blockage in Sec Heat Exchanger

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noisy boiler noise in DHW mode

Alan Carruthers

DIYnot Local

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