The 601GAS burner converts from propane to natural gas with just an orifice change no conversion kit needed. Fires negative or positive chambers from 700,000 to 1,500,000 Btuh input. Dependable direct-spark ignition of main flame for quick clean light offs. Time-tested solid state ignition and state-of-the-art microprocessor primary control technology.

Diagnostic LED lights annunciate operating mode: Self-check, Flame-on, Recycle, Lockout and Latch-up. Factory-packaged with combustion control and gas train (assembled & shipped loose, also available as knockdown). Shipped completely pre-wired for easy installation and start-up (knockdown version also available). High-efficiency, compact flame pattern design ensures clean, quiet operation. Does not require a refractory liner fires with or without a combustion chamber. Swing-away housing design.