• 94% Thermal Efficiency
• Modulating Burner with a 5 to 1 Turndown (500k & 800k Btuh units) & a 10 to 1 Turndown Ratio (1,000k & 1,700k Btuh Units)
• Whisper Quiet Operation • Low NOx Operation
• High Grade Inconel Burner • Reliable Spark Ignition
• Gas Valve (Tested to UL, FM, CSA Standards)
• Built in Redundancy (1,000k & 1,700k Btuh Units