A gas cooker (100) comprises a gas hob (102) having a plurality of gas heads (104) and a gas regulator (112). The gas regulator (112) receives gas from a gas inlet (110), a shared flow path (116) for the transit of gas connecting the gas inlet (110) to each gas head (104). An adjustable valve (122) is provided which enables a gas flow to each gas head (104) to be centrally modified. Thus, the gas flow can be modified such that it is suitable for a fuel such as LPG or a fuel such as natural gas. A method of converting a gas cooker (100) between fuels is also disclosed.
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