Expansion Vessel Size400 LIncludes Expansion VesselYesERP (Energy Efficiency)YStanding Heat Loss kWh/24h2.09Years Guaranteed25 YearsWidth630mmUsageBuffer Tank/Store For Renewable Heating Systems; Suitable For Solar, Air/Ground Source Heat Pumps, Wood-Burning Stoves And Open-Vented Boilers; Provides Connections For Multiple Inputs; Designed To Directly Supply The Heating CircuitTypeCylinders - Buffer StoreToilet Cistern CapacityFTW--Solar CompatibleSolarMaximum Operating Pressure3.5MaterialStainless SteelFuel TypeExternal Source (Boiler/Heat Pump)ERP RatingCDepth630mmCold or Hot WaterNot For Potable Domestic Hot Water; For Primary Water OnlyCapacity393 LSupplier Part NumberPLU400MBRange DescriptionStainlessLite PlusManufacturer Model NoPLU400MBBrand NameGledhill