of the burner 100 mentioned above the burner head 20 is located in one of the housings the tubular duct 21 being assembled from the upper portion of the support 10 through a port 14 made in the housing and going through the support 10 the air and gas mixing and intake chamber 40 is located inside the housing in the port 14 which is a through hole according to some implementations the chamber 40 comprises two air inlet ports 41 the ports 41 extending through a wall of the housing according to other embodiments the housing that forms the port 14 is not molded as a single part with the support 10 in such embodiments the housing may constitute a separate part that is assembled on the support 10 to make a correct air and gas mixture in the air and gas mixing and intake chamber 40 according to if the gas supply is natural gas ng or liquefied gas lpg the amount of air is different being lower in the case of natural gas ng and greater in the case of liquefied gas lpg the dual pilot light burner 100 allows the differentiated air supply into the chamber 40 due to the movement of the regulating sleeve 30 the air regulation is performed when the regulating sleeve 30 is operated directly with a tool and is moved arranging the second nozzle 51 in the first or second position as the regulating sleeve 30 is moved the body of the regulating.