A Premium Type 21 Double Panel with Single Convector Radiator. One of the highest output radiators in the market place. EN 442 tested and certified. Factory fitted top grilles and side panels. High quality finish - white enamel (RAL 9016). Operating pressure 10 bars (tested to 13 bars/188 PSI). Maximum operating temperature 120 Degrees C. Manufactured under BS EN ISO 9001 quality system. Key Features - One of the highest output radiators in the market place. EN 442 tested and certified. - Factory fitted top grilles and side panels. - High quality finish - white enamel (RAL 9016). - Operating pressure 10 bars (tested to 13 bars/188 PSI). - Maximum operating temperature 120 Degrees C. - Manufactured under BS EN ISO 9001 quality system. - 10 Year Warranty Installation - For maximum efficiency radiators should be fixed at not less than 100mm (4") from finished floor level. - Pipe positioning guide for manual valve allow 35mm to centre of pipe. For TRV valve allow 45mm to centre of pipe. - To prevent damage to radiator it is strongly recommended during installation to leave protective packaging on radiator by simply removing lug protecters and pre cut tapping connection. Water Treatment / Corrosion Inhibitor It is strongly recommended that where appropriate all indirect/closed heating systems are cleansed by a flushing agent and treated with a central heating system inhibitor before installing the radiator; according to the specifications of the British Standard for preparation, commissioning and maintenance of domestic central heating and cooling water systems, BS 7593:2019. This is especially important if the product is an addition to an existing system and would ensure the continued efficiency and longevity of the manufacturing guarantee.