The Royal Range 1603 Infra-Red Broiler Burner is a small B-15 burner used in compatible commercial broiler equipment. The burner produces infrared heat for the cooking area, converting gas combustion into radiant heat directed toward the food surface. Its placement within the broiler assembly positions the burner beneath or behind the designated cooking area according to the equipment... https://partsfe.com/burner-ir-broiler-for-royal-range-part-1603