Clesse CSR485 OPSO LPG Single Cylinder Regulator Kit – Irish F-Valve The Clesse CSR485 OPSO LPG Single Cylinder Gas Regulator Kit – Irish F-Valve is the ultimate safety focused solution for consistent, reliable propane regulation in Ireland. Designed for Irish LPG cylinders with the F-Valve (Butane Nut) connection, this high performance kit gives you gas flow for home heating, catering equipment, commercial appliances and outdoor installations. Built with Clesse’s trusted engineering, OPSO safety protection and weather resistant construction, the CSR485 kit gives you uninterrupted gas supply and the highest level of over-pressure safety – essential for compliant and safe LPG installations. Supplied with wall mounting bracket, angled inlet, stainless steel pigtail, OPSO seal wire and test point, this kit has everything