G G gazthepottertonengineer 22 May 2009 Hi Nigel 9 times out of 10 its the heating flow switch which senses if the pumps running i cant find the post but the part number you would need is 240753 hope this helps Gary
Hi Nigel 9 times out of 10 its the heating flow switch which senses if the pumps running i cant find the post but the part number you would need is 240753 hope this helps Gary