Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoStanding Heat Loss kWh/24h1.06Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width545mmTypeCylinders - Indirect UnventedToilet Cistern CapacityFTW--Power kW3 kWMaterialDuplex Stainless SteelHeight1701mmEnergy Efficiency RatingCDiameter545mmDepth545mmConnection Size22 mm CompressionColourSilverCoil TypeIndirectCapacity90 LSupplier Part NumberESNIN0090Brand NameUK Cylinders