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The isolation valve sits underneath the appliance and enables the user to change the flow of water and gas in to the central heating system. These also allow you to cut off the supply to the boiler if there is a leak or emergency.
Part No: 2140076 / MPN: 0020027544
Sorry, this part is now obsolete
Part No: 2140584 / MPN: S99800774
Part No: 2141059 / MPN: 2000803022
Part No: 2141121 / MPN: 2000803112
Part No: 2141123 / MPN: 2000803115
Part No: 2141124 / MPN: 2000803116
Part No: 2141125 / MPN: 2000803117
Part No: 2141150 / MPN: 2000803202
Part No: 2141211 / MPN: S011002579
Part No: 2141212 / MPN: S013002462
Part No: 2140154 / MPN: 0020033329
Part No: 2140156 / MPN: 0020033331