A premix burner includes a vortex generator for combustion air stream, devices to inject fuel into the combustion air stream, and tangential air ducts. The method may include processing, using the one or more processors, the trigger expression, the trigger expression comprising a first one or more terms comprising a first one or more fields, to generate a reduced trigger expression. The cable is connected to a component at the end of the pipe, the component also being connected to a length of replacement pipe.