Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoERP (Energy Efficiency)YNumber of Immersion Heaters2Years Guaranteed25 YearsWidth550mmUsageDesigned For Direct Mains Pressure Operation; Suitable For Private, Commercial And Industrial Sectors, Larger Households And Busy Settings; Electrically Heated/Compatible With Off-Peak SuppliesTypeCylinders - Direct UnventedToilet Cistern CapacityFTW--Power kW3Maximum Operating Pressure6MaterialStainless SteelFuel TypeElectricERP RatingCDepth550mmConnection SizeHot Water Draw-Off: 22 mm; Cold Water Supply: 22 mm; Secondary Return (Where Provided): 22 mm; Immersion Heater Thread: 1¾ inch BSPColourSilverCold or Hot WaterMains Pressure Hot WaterCoil TypeCorrugated CoilCapacity180 LSupplier Part NumberPRODR180Range DescriptionStainlessLite PROManufacturer Model NoPRODR180Brand NameGledhill