Warming Trends CROSSFIRE Original brass burner — 9 sizes, 60,000 to 560,000 BTU, runs on natural gas or propane.

Universal CROSSFIRE brass burner: the same burner runs on natural gas or propane. Corrosion-resistant brass that will not rust, lifetime warranty, manufactured and assembled in the USA. Burner only — pair it with a Warming Trends plate or pan, an ignition kit and media, all sold separately. Size it to the fire pit opening below. Outdoor use only; have a certified plumbing professional make the gas connection.

• Fuel: Universal — natural gas or propane
• Material: Brass, will not rust
• Inlet: 1/2"
• Warranty: Lifetime (burner)
• Made in: USA
• U60: 60,000 BTU; burner 9"L x 6 3/4"D; min. opening 18"
• U100: 100,000 BTU; burner 11 3/4"L x 10 1/2"D; min. opening 18"
• U140: 140,000 BTU; burner 13 1/2"L x 13 1/2"D; min. opening 24"
• U180: 180,000 BTU; burner 17 3/4"L x 15 1/2"D; min. opening 30"
• U240: 240,000 BTU; burner 20 1/2"L x 19 1/2"D; min. opening 30"
• U300: 300,000 BTU; burner 24 3/4"L x 22"D; min. opening 36"
• U360: 360,000 BTU; burner 29 1/2"L x 28 1/2"D; min. opening 42"
• U420: 420,000 BTU; burner 38 1/4"L x 34 1/2"D; min. opening 48"
• U560: 560,000 BTU; burner 47 3/4"L x 45 3/4"D; min. opening 60"