Tender For corrigendum : supply of gas swirler for pilot burners of 1500kw regenerative burners of encon make , burner sequence controller for1500kw regenerative burners of encon make , burner electrode/ ignition rod (8 mm x 650 mm) for pilot burners of 1500kw regenerativeburners of en , uv sensor with connector for 1500kw regenerative burners of encon make.