All parts and pieces of the CROSSFIRE™ Burner are made from brass. Unlike other burners made from stainless steel, brass is corrosion resistant and will not rust, which eliminates the need for replacement.
OCTAGONAL CFBO140
Recommended parts:

OCTAGONAL CFBO180
Recommended parts:

OCTAGONAL CFBO280
Recommended parts:

OCTAGONAL CFBO320
Recommended parts:

OCTAGONAL CFBO360
Recommended parts:

How to Choose the Right Fire Equipment
Warming Trends Full Catalog
Owner’s Guide and Instruction Manual
Brass Burner Compatibility Chart
Gas Pipe Size and BTU Supply Chart