Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoStanding Heat Loss kWh/24h1.44Number of Immersion Heaters1 (3 kW)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width475mmTypeCylinders - Indirect UnventedPower kW3 kWMaximum Operating Pressure7MaterialDuplex Stainless SteelHeight961mmFuel TypeElectricEnergy Efficiency RatingCDiameter475mmDepth475mmConnection Size1/2" Temperature & Pressure Relief Valve (T&P)Coil TypeTwin ZoneCapacity200 LSupplier Part NumberESPPT0200Brand NameUK Cylinders