Saunier Isolation Valves
The isolation valve is usually situated underneath the heating appliance and enables the user to restrict the flow of gas and water in to the central heating system. These also allow you to stop the flow completely in case of a leak or emergency.
Saunier Duval S1007000 Filling Cock - Themaclassic/Thema Condens F/Enviroplus F
Part No: 1416139 / MPN: S1007000