![Mr Central Heating Portsmouth on Twitter: "Meet Dave and Mark from Gas Solutions, both Dave and Mark are both over the moon with the @ideal_boilers 250 ltr system fit cylinder, lets all Mr Central Heating Portsmouth on Twitter: "Meet Dave and Mark from Gas Solutions, both Dave and Mark are both over the moon with the @ideal_boilers 250 ltr system fit cylinder, lets all](https://pbs.twimg.com/media/EFPU7PvXUAAo8Lm.jpg:large)
Mr Central Heating Portsmouth on Twitter: "Meet Dave and Mark from Gas Solutions, both Dave and Mark are both over the moon with the @ideal_boilers 250 ltr system fit cylinder, lets all
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![Coal powered furnaces which heated water into steam to power the boilers / boiler / engine of HMS Warrior. Portsmouth Historic Dockyard / Dockyards UK Stock Photo - Alamy Coal powered furnaces which heated water into steam to power the boilers / boiler / engine of HMS Warrior. Portsmouth Historic Dockyard / Dockyards UK Stock Photo - Alamy](https://c8.alamy.com/comp/M8G0JB/coal-powered-furnaces-which-heated-water-into-steam-to-power-the-boilers-M8G0JB.jpg)