|1.||Also called: gas jet a jet or nozzle from which a combustible gas issues in order to form a stable flame|
|2.||an assembly of such jets or nozzles, used esp in cooking|
heating device in which natural gas is used for fuel. Gas may be supplied to the burner prior to combustion at a pressure sufficient to induce a supply of air to mix with it; the mixture passes through several long narrow openings or a nozzle to mix with additional air in the combustion chamber. Metal surfaces supply the means of heat transfer to circulating water or air
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