I have aproblem with my combi boiler the heating side is working fine but the hot water runs hot for a couple of minutes then goes cold then goes hot again and so on it just keeps going hot and cold can anyone help
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worcester 24i
- Thread starter mostyn
- Start date
great minds and all that 
yes it is definately a 24i i have had it 6 years it has had 2 new motherboards and 2 new pumps
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