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Mend Worcester 28Si II Home Heating Systems

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Mend Worcester 28Si II Ii Central Heating

worcester 28Si II hot water fault?

My Worcester boiler heats the central heating water ok, and seems to heat the hot tap water if the central heating off. But if the central heating is on and hot water is drawn the boiler faults out and displays the rapid flashing fault light -8 flashes per sec?

steve
October 2015
WorcesterWorcester 28Si IIHeating, Home Heating SystemsIi Central Heating
probably diverter valve stuck

stickybun
October 2015

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