G90 galvanized steel.
		200,000 to 800,000 BTU input.
		1,300 to 13,000 CFM.
		Stainless steel burner, heat exchanger and drip pan.
		Electronic flame modulation.
		Natural gas applications.
		Propane gas applications.
		Power vent with proving switch.
		Redundant gas valves.
		Service doors on both side for burner maintenance.
		Intermittent spark pilot with timed safety lockout.
		High temperature limit switch.
		Air flow switch.