Broilmaster Infrared Burner Kit For R3B (One is required), R3 (Two are required) B101269 B102180 Burner is designed for use with Broilmaster R3B and R3 model gas grills. For R3B (One is required), R3 (Two are required). This infrared burner allows you to use more uniform radiant heat to cook food, providing consistent searing of meat. Heat up more quickly than traditional convection burners with less flame flare-ups. Genuine Broilmaster part # B101269 aka B102180