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home Fix label Heating label_important Home Heating Systems

Ravensheat RFF 820/20.DOMESTIC HOT WATER ONLY WORKS WHEN HEATING IS ON?

My combi boiler only supplies hot water to the taps when the Radiator system is switched on.
Anyone any ideas what could be wrong.
Cheers
Alan
albar, November 2006
home Fix label Heating label_important Home Heating Systemsdone
Is the diaphragm the one in the three way valve

albar, November 2006
Thanks very much Mike.
Albar

albar, November 2006
you need a new diaphragm.

BG MIKE, November 2006

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