Cavagna LPG Manual Changeover Regulator Kit with OPSO – UK POL The Cavagna LPG Manual Changeover Regulator Kit with OPSO – UK POL is a safety focused solution to give you continuous, stable and protected propane gas supply. Ideal for residential, commercial and mobile LPG installations, this kit allows you to manually switch between two propane cylinders while having the added safety of an Over Pressure Shut Off (OPSO) system. Made to European standards, this kit is perfect for heating, cooking, static caravans, catering units, motorhomes that need a low pressure propane system. Built by Cavagna, one of the world’s leading gas control brand, this manual changeover kit gives you superior performance, reliability and peace of mind. Features Manual Changeover Syste