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Mend Worcester Bosch 28CDi Combi Boiler No Hot Water Low Pressure

how can I fix my worcester 28cdi ,heating but no hot water?

complete new system fitted 3 years ago inc 28cdi combi . water is at 0.5bar with heating onand will give hot water with heating but no hot water with heating off, sometimes it will fire up but, as soon as you feel warm water it shuts down. the heating is working perfectly

Chris Henderson
December 2006

Worcester Bosch Worcester Bosch 28CDi Heating, Home Heating Systems Combi Boiler No Hot Water Low Pressure

the dhw diaphragm will have probably worn or split.

EXPERT
December 2006

the pressure needs to be about 1bar / 1.5bar 0.5 if ot gets to low it will shut down altogether. try uping the pressure see how you go

hi-spec plumbing
December 2006

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Worcester 28CDi: No Hot Water - Fixes & Help