Air flow control head for multi oil furnaces

摘要: A retention head for the end of burner nozzle housing on a waste oil furnace controlS flow combustion air relative to flame produced by nozzle. The is formed as cup-shaped member that mounts in detachable manner outside housing. has an operative face having central opening through which portion can and support passing opening. solid ring defining forces into circumferential vented slots around perimeter head. have angled flaps direct spiraled pattern circumferentially flame. inwardly curved periphery help inward surrounding Slotted openings allow adjustable positioning permit be properly positioned order keep parallel orientation