Expansion Vessel SizeNot ApplicableIncludes Expansion Vessel-Standing Heat Loss kWh/24h1.22Number of Immersion Heaters1 (3 kW Incoloy Supplied as Standard)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width545mmTypeCylinders - Indirect UnventedToilet Cistern CapacityFTW--Solar CompatibleYesPower kW3 kWMaximum Operating Pressure10MaterialDuplex Stainless SteelHeight1203mmEnergy Efficiency RatingCDiameter545mmDepth545mmConnection Size22 mm CompressionColourSilverCoil TypeTwin CoilCapacity150 LSupplier Part NumberTBCBrand NameUK Cylinders