Abstract: A gas burner for a water heater provides a unitary bracket removably connected to a gas supplying tube and supporting both a pilot burner and a main burner. The unitary support bracket includes a U-shaped portion surrounding an air-gas mixing area communicating with a centrally located gas inlet opening of a gas distributing head providing a plurality of spaced gas outlet ports. A base portion of the U-shaped bracket portion is spaced from the gas distributing head and includes a tube receiving opening and a pair of flanges functioning with a pair of corresponding tabs on the tube to provide a releasable bayonet type connection. An extension of the unitary bracket removably mounts the pilot burner assembly so that the flame axis is spaced adjacent to the gas outlet ports of the gas distributing head.