worcester 240 boiler, no hot water?

diaphragm needs changing. easy job but be carefull not to get water in electrics. drop bottom panel of boiler, mains water off. remove microswitch assy from valve, remove 8? screws and union from diaphragm housing(big brass circular valve bottom left of boiler). take out and replace with kit from any ch merchants. put back together and have shower.

gareth the gas
December 2009