A:Answer It has three grates, the outside ones are about 9" wide and the inside one, over the oval burner, is about 7-8" wide.
left number is Natural Gas right number is LP Gas also british thermal units
RF 1 Rating 18000 british thermal units 14500
LF Rating 16000 british thermal units 11500
Center Rating 10000 british thermal units 7500
LRRating 9500 british thermal units 7500
RR Rating 5000 british thermal units 4000
Bake 18000 15000
Broil 13500 11500
about a 20% drop, all according to the installation manual. I use Natural Gas.