Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoYears Guaranteed10 YearsWidth450mmUsageDomestic Hot WaterTypeCylinders - Indirect VentedToilet Cistern CapacityFTW--Solar CompatibleDesigned for Use with Solar PanelsMaterialCopperDepth450mmCoil TypeSolar Heat Exchanger; Secondary Compact Heat Exchanger For Conventional Heat SourcesSupplier Part NumberBSUN211Range DescriptionSunspeedManufacturer Model NoBSUN211Brand NameGledhill