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worcester 240 combi heating no hot water?

boiler fires for heating but no hot water unlesws heating on
alan, April 2011
that will most probably be a diaghram or flow switch. if the water pressure has reduced recently it could be the
plate heat exchanger scaled up and not allowing enough water to flow to activate the switching system.

Brian Emian Plumbing & Heating, April 2011
link Click here to see other fixes for Worcester 240 combi.