I appreciate your welcome and politeness to a new person on your forum. The engineer was a corgi engineer and one reason for my posting the details was because another engineer charged £150 for the same job. In the past I have extracted information from these forums without giving anything back...
My Jaguar boiler (24 KTVJ - on inside of cover) stopped giving hot water but the heating worked sometimes. I looked up and people suggested it was the diaphram in the diverter valve. when the engineer opened it up it was indeed torn. when we replaced it we realised it was the same valve used in...