10 Year Warrantee. Factory fitted grills & end panels for solid construction and improved appearance. All accessories included - Air vent, blanking plug, 4 wall plugs, 4 screws and 4 plastic protectors for brackets. Pressure tested to withstand 145 psi, to perform at a maximum of 101.5psi, at a max temperature of 95 degrees. Manufactured to BS EN442, ensuring high quality. Finished to RAL9016, suitable for central heating systems .New improved heavy duty packaging with reinforced plastic corners & edge cartons