Expansion Vessel SizeNot ApplicableIncludes Expansion Vessel-Number of Immersion Heaters1 (Long-Life 3 kW Incoloy Supplied as Standard)Years Guaranteed25 YearsWidth545mmTypeCylinders - Indirect UnventedToilet Cistern CapacityFTW--Solar CompatibleYesPower kW3 kWMaterialDuplex Stainless SteelHeight1701mmEnergy Efficiency RatingCDiameter545mmDepth545mmConnection Size22 mm CompressionColourChromeCoil TypeSingle CoilCapacity200 LSupplier Part NumberTBCBrand NameUK Cylinders