Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoStanding Heat Loss kWh/24h2.04Number of Immersion Heaters1 (Long-Life 3 kW Incoloy Supplied as Standard; Upgrades Available)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width545mmTypeCylinders - Indirect UnventedSolar CompatibleYesPower kW3 kWMaximum Operating Pressure7MaterialDuplex Stainless SteelHeight1203mmFuel TypeExternal Source (Boiler)Energy Efficiency RatingBDiameter545mmDepth545mmConnection Size22 mm Compression Connections (90-300 L)ColourStainless SteelCoil TypeTwin CoilCapacity300 LSupplier Part NumberESPTN0300Brand NameUK Cylinders