Hi I have a problem when running hot water it is hot for a while then runs cold then back to hot the CH light flashes fast for 30 seconds then it fires up again I have replaced control panel and diverter valve and am going to try temperature sensors next does anyone have any ideas

Keith, August 2010

Hi, this is Worcester, Bosch Group

Although we don't currently offer live technical support online, our Technical Support department will be able to help. Their number is 0844 892 3366 - they're open 6 days a week and on average answer calls within 20 seconds.

Worcester, Bosch Group, September 2010