What is the BTU rating?
The Radiant Heat Burner Systemâ„¢ is rated at: Natural Gas 72,000 BTU for 18″ log sets 95,000 BTU for 24″ log sets 125,000 BTU for 30″ log sets 140,000 BTU for 36″ log sets. Propane Gas 59,000 BTU for 18″ log sets 71,000 BTU for 24″ log sets 100,000 BTU for 30″ log sets 110,000 BTU for 36″ log sets.