Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNo ERP (Energy Efficiency)YYears Guaranteed15 Year Manufacturer's Guarantee (Registration Required); 2 Year Standard WarrantyWidth553mmUsageInternal Expansion (Unvented, Indirect); High Pressure Systems OnlyTypeCylinders - Indirect UnventedMaximum Operating Pressure16MaterialDuplex Stainless SteelHeight1258mmFlow RateUp To 76 L/min At 3 barERP RatingCDepth553mmConnection Size22 mm CompressionCoil TypeCoil-In-Coil Heat ExchangerCapacity145 LSupplier Part Number7798179Brand NameBaxi