The invention provides a valve arrangement (10) which has a first fluid flow connector (22) which is engageable with a first flow meter (23) which is in communication with a fluid supply network (16), an electronic processor (24) which is connected to the first connector, a timer means (56) which is in communication with the processor and a valve member connector (26) which is engageable with a valve member (27) which is in communication with the network and which is controlled by the processor.
