This recall involves gas burners sold with Lennox brand Shadowdance natural gas log set burner assemblies. The product is used in a wood-burning fireplace or a ventless firebox enclosure. The assemblies were sold under model numbers LSVFSD-18, LSVFSD-24 and LSVFSD-30, and include a burner and ceramic-fiber log set. Replacement gas burners also were sold separately under model number LSVFSD-NG. Burners included in this recall have serial numbers that begin with 6407, 6408, 6409 and 6410A through 6410G. The burner’s model and serial numbers are printed on a metal identification plate attached to the burner.