Expansion Vessel Size500 LIncludes Expansion VesselYesERP (Energy Efficiency)NStanding Heat Loss kWh/24h2.00 kWh/24hSuitable SystemGround / Air Source Heat Pump SystemsNumber of Immersion Heaters0Cylinder TypeUnvented IndirectYears Guaranteed2 YearsWidth650mmUsageDomestic Water HeatingTypeCylinders - Buffer StoreTank Capacity500 litresSolar CompatibleNoMaximum Operating Pressure3 barMaterialSteelHeight1700mmERP RatingBDiameter650mmDepth650mmColourWhiteCapacity500 LSupplier Part Number8000041394Range DescriptionAccessoriesBrand NameVaillant