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The Cyclone range of condensing water heaters from A.O.Smith is suitable for refurbishment projects as all four models can fit through standard doorways and under seven foot ceilings. It has a service clearance for burner maintenance of 50mm and zero clearance at the sides. With flue options up to 15m vertically or horizontally and up to four 90 degree bends, Cyclone is also suitable for basements and commercial buildings.

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