Category NameHeat Pump CylindersExpansion Vessel SizeNot ApplicableIncludes Expansion VesselNoERP (Energy Efficiency)YNumber of Immersion Heaters1Years Guaranteed25 Year Material Guarantee On Cylinder Shell (Subject To Full Terms And Conditions)Width550mmUsageHot Water Storage; Suitable for Installation With Oil Boilers, Air Source Heat Pumps and Solar Thermal SystemsTypeCylinders - Indirect UnventedTank Capacity233Solar CompatibleSuitable For Installations With More Than One Heat Source (E.g. Heat Pump And Solar Thermal)Power kW3 kWMaximum Operating Pressure3MaterialStainless SteelHeight1741mmEnergy Efficiency RatingCERP RatingCDepth550mmConnection Size22 mm Compression FittingColourGreyCold or Hot WaterHotCoil TypeTwin Coils (Stainless Steel Internal Coils)Capacity250 LSupplier Part NumberQRTC250Range DescriptionQR CylindersManufacturer Model NoQRTC250Brand NameGrant