Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoStanding Heat Loss kWh/24h1.22Number of Immersion Heaters1 (3 kW Incoloy Supplied as Standard; Upgrades Available e.g. Titanium or 6 kW)Years Guaranteed25 Years Against Manufacturing Defect; 2 Years (Parts)Width545mmTypeCylinders - Direct UnventedToilet Cistern CapacityFTW--Power kW3 kWMaterialDuplex Stainless SteelHeight1701mmEnergy Efficiency RatingCDiameter545mmDepth545mmConnection Size22 mm Compression Connections (90-300 L)ColourSilver CasingCoil TypePrimary Coil (Highly Efficient)Capacity150 LSupplier Part NumberESDIR0150Brand NameUK Cylinders