The msr windburner 18l stove the msr windburner 18l is a larger size of the popular windburner stove which uses their proven reactor burner technology providing a fast boiling stove ideal for weekends away radiant burners deliver heat quickly to the pot via the built in heat exchanger on the base of the pot this integrated system where the burner and pot interlock combined with the pressure regulator make the windboiler almost impervious to the external weather conditions msr windbu