Expansion Vessel Size300 LIncludes Expansion VesselYesERP (Energy Efficiency)NStanding Heat Loss kWh/24h1.70 kWh/24hSuitable SystemGround / Air Source Heat Pump SystemsNumber of Immersion Heaters0Cylinder TypeUnvented IndirectYears Guaranteed2 YearsWidth500mmUsageStorage For Central Heating/Heat Pump; Domestic Water And Heating; Suitable For Ground And Air Source Heat Pump SystemsTypeCylinders - Buffer StoreTank Capacity300 litresSolar CompatibleNoMaximum Operating Pressure3 barMaterialSteelHeight1720mmDepth500mmConnection Size1 1/2"ColourWhiteCapacity300 LSupplier Part Number8000041366Range DescriptionAccessoriesBrand NameVaillant