Galway Natural Gas - All done. Ideal magnetic filter fitted before boiler to protect it. New isolation switch for boiler only as main switch/fuse spur is in a press with lots of
![Crabtree 4827/3-B 13A DP Switch Fused Connection Unit C/W F/O And Neon White Engraved Boiler - Your Electrics | Electrical Supplies Crabtree 4827/3-B 13A DP Switch Fused Connection Unit C/W F/O And Neon White Engraved Boiler - Your Electrics | Electrical Supplies](https://www.yourelectrics.com/wp-content/uploads/2014/01/48273.jpg)
Crabtree 4827/3-B 13A DP Switch Fused Connection Unit C/W F/O And Neon White Engraved Boiler - Your Electrics | Electrical Supplies
![What is this fuse on the switch mounted next to my furnace? I know the switch cuts power to the furnace, but why the fuse when my panel is breakers? : r/hvacadvice What is this fuse on the switch mounted next to my furnace? I know the switch cuts power to the furnace, but why the fuse when my panel is breakers? : r/hvacadvice](https://preview.redd.it/what-is-this-fuse-on-the-switch-mounted-next-to-my-furnace-v0-ll9sptmu1ab81.jpg?auto=webp&s=25aa5c970a44f8612a8d65d42df72d45b5f107f9)