38The installation of the gas appliance to Natural Gas or LP Gas must be carried out by asuitably qualified and registered installer. Installers shall take due account of the provi-sions of the relevant British Standards Code of Practice, the Gas Safety Regulations andthe Building Standards (Scotland)(Consolidation) Regulations issued by the ScottishDevelopment Department.Installation to Natural GasInstallation to Natural Gas must conform to the Code of Practice, etc.The supply pressure for Natural Gas is 20 mbar.The installation must conform to the relevant British Standards.Installation to LP GasWhen operating on Butane gas a supply pressure of 28-30 mbar is required. Whenusing Propane gas a supply pressure of 37 mbar is required.The installation must conform to the relevant British Standards.Warning: Only a suitably qualified and registered installer, also with technical knowl-edge of electricity should install the appliance. He should observe the Regulations andCodes of Practice governing such installation of gas appliances.Note: It is recommended that the gas connection to the appliance is installed with aflexible connecting tube made to BS5386.Notes: