The Whirl Vane is a stationary blade which guides the air swirl around the fuel nozzle to maintain efficient, clean combustion.
During seasonal tune-ups, the burner cone and vane assembly should be unbolted to clean any carbon buildup off internal components.
 
Daystar from 2010 Lot F-01 to the present.
MPX all years of manufacture.
 
Manufacurer number: 50319 202027
Same as MPX-2-04