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Posted by Tony on March 31, 2005 at 15:45:31:
In Reply to: Re: WORCESTER 240 Over pressurising? posted by HeatPro on March 30, 2005 at 16:54:28:
Thanks for reply. Valve on cold water supply is closed and backed up with non return valve. I did wonder whether there was any possibility that the diverter valve was malfunctioning.