Expansion Vessel SizeNot Applicable Includes Expansion VesselNoNumber of Immersion Heaters1 x 3 kWYears GuaranteedLifetime (Internal Cylinder) - Terms & Conditions Apply; 2 Years (Components/Parts)Width580mmUsageIndirect (Heat Pump And Solar Compatible), Unvented HorizontalTypeCylinders - Indirect UnventedSolar CompatibleNoPower kW3 kWMaximum Operating Pressure3MaterialStainless SteelHeight660mmFlow RateHigh Flow Rates up to 55 L/minDepth580mmConnection Size22 mm Compression FittingsColourWhiteCoil Type22 mm Primary CoilCapacity300 LSupplier Part NumberTSMI300HBrand NameTelford