Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoWeight SourceSupplierERP (Energy Efficiency)YStanding Heat Loss kWh/24h1.39Number of Immersion Heaters1Years Guaranteed25 Year Guarantee (Cylinder Shell)Width490mmUsageThe uniSTOR range can be used with both system and heat only boilers and heat pumpsTypeCylinders - Indirect UnventedStandards MetWRAS approved, NSF Solar CompatibleNoPower kW3 kWMaximum Operating Pressure6 barMaterialStainless SteelHeight1520mmHeat Loss1.44Flow Rate33.33 l/minERP RatingCDiameter490mmDepth490mmConnection Size22/28mmColourWhiteCold or Hot WaterDomestic Hot WaterCoil TypeHighly engineered coil-in-coil design creates the maximum surface area and ensures the heat exchanger sits as low as possible in the cylinder, boosting heat transfer and improving performanceCapacity150 LSupplier Part Number8000011509Range DescriptionRenewables CylindersBrand NameVaillant