Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoERP (Energy Efficiency)YNumber of Immersion Heaters2Years Guaranteed25 YearsWidth550mmUsageMains Pressure Hot Water; Suitable For Larger Households And Busy EnvironmentsTypeCylinders - Direct UnventedMaximum Operating Pressure6MaterialStainless SteelFuel TypeElectricERP RatingCDepth550mmCoil TypeSpecialist Corrugated CoilCapacity300 LSupplier Part NumberPRODR300Range DescriptionStainlessLite PROManufacturer Model NoPRODR300Brand NameGledhill