Cavagna LPG Manual Changeover Regulator Kit with OPSO – Irish F-Valve The Cavagna LPG Manual Changeover Regulator Kit with OPSO – Irish F-Valve provides safe, uninterrupted propane gas supply for homes, caravans, catering units and commercial LPG installations in Ireland. Designed for Irish F-Valve (Butane Nut) cylinders, this premium kit allows you to switch manually between two propane bottles while having extra safety with the built-in Over Pressure Shut Off (OPSO) system. Indoor or outdoor use, the Cavagna OPSO changeover kit gives you low-pressure gas regulation at 37mbar, for smooth operation of heating, cooking and hot water appliances. Built with Cavagna’s world-class engineering, this kit is durable, efficient and fully compliant with Irish LPG regulations. Key Features &