Cofigurations
•  Upflow / Horizontal GUH-Series
•  Downflow GDD-Series

Heat Exchanger Design
•  Aluminized steel primary heat exchanger with crimped non-welded construction, AL 29-4c stainless steel secondary heat exchanger

Burner
• 11k BTUH burners and sealed burner box provide soft ignition and  quiet operation

Cabinet Design
• Compact 33" height with standardized widths for easy coil fit

Air Delivery System
• Multi-speed high efficiency (constant torque) blower motor

Controls
• Single stage gas valve
•  Self diagnostics save last 10 fault codes regardless of power interruption
•  Durable silicon nitride igniter
•  Electronic air cleaner and humidifier terminals

Venting
• Certified for direct vent and indirect (1 and 2 pipe applications)