Expansion Vessel Size50 LIncludes Expansion VesselYesNumber of Immersion Heaters1 (Factory-Fitted 3 kW Incoloy)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width545mmTypeCylinders - Buffer StorePower kW3 kWMaterialDuplex Stainless SteelHeight1640mmDepth545mmConnection Size28 mm Coil Connections; 22 mm Hot & Cold Water Connections; 28 mm Compression Fittings; 12 mm Sensor Probe PocketColourSilverCoil TypePrimary Coil 28 mm Full-Bore High-Flow Coil; Coil Surface (2.5 m²) Coil Rating 28 kWCapacity180 L / 50 L (180 L cylinder + 50 L buffer)Supplier Part NumberESPPB5018Manufacturer Model NoESPPB5018Brand NameUK Cylinders