Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoNumber of Immersion Heaters1 (3 kW Incoloy Supplied as Standard)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width475mmTypeCylinders - Direct UnventedSolar CompatibleYesPower kW3 kWMaterialDuplex Stainless SteelHeight2041mmEnergy Efficiency RatingCDiameter475mmDepth475mmConnection Size22 mm CompressionColourSilver CasingCoil TypeSingle Coil (Primary)Capacity150 LSupplier Part NumberESSDI0150Brand NameUK Cylinders