Expansion Vessel SizeNot Applicable Includes Expansion VesselNoERP (Energy Efficiency)NYears GuaranteedLifetime (Inner Container); 2 Years (Components/Parts)Width580mmUsageDomestic (Household) And Commercial Hot Water; Heat Pump CylinderTypeCylinders - Indirect UnventedSolar CompatibleNoPower kW3 kWMaximum Operating Pressure3MaterialStainless SteelHeight1490mmFuel TypeExternal Source (Heat Pump)Flow RateHigh Flow RatesDepth580mmConnection Size22 mm Compression FittingsColourWhiteCoil Type316L Stainless Steel Internal CoilCapacity250 LSupplier Part NumberTSMI250/HP/PPRange DescriptionTempestManufacturer Model NoTSMI250/HP/PPBrand NameTelford