Expansion Vessel SizeNot ApplicableIncludes Expansion VesselNoNumber of Immersion Heaters1 (Long-Life Incoloy Immersion Heater Supplied as Standard)Years Guaranteed25 Years (Cylinder); 2 Years (Parts)Width545mmTypeCylinders - Indirect UnventedSolar CompatibleYesPower kW3 kWMaterialDuplex Stainless SteelHeight1075mmEnergy Efficiency RatingBDiameter545mmDepth545mmConnection Size22 mm Compression (With Nuts And Olives)ColourSilver CasingCoil TypeTwin CoilCapacity250 LSupplier Part NumberESPPT0250PVBrand NameUK Cylinders