• Up to 98% AFUE in upflow and horizontal positions
• Modulating heating operation (40% – 100% capacity)
• IONTM Communicating Control System
• Xtra SEER Variable-speed ECM blower motor
• Supports single, two-stage and variable cooling units
• Dehumidification feature in cooling
• Cabinet air leakage less than 2.0% at 1.0 in. W.C. and cabinet air leakage less than 1.4% at 0.5 in. W.C. when tested in
accordance with ASHRAE standard 193
• Flame roll-out sensors standard and adj. heating blower OFF delay
• RPJ® primary heat exchanger
• Stainless steel secondary heat exchanger
• High temperature limit control designed to prevent overheating
• Direct ignition with Silicon Nitride ignitor
• Insulated steel cabinet
• Direct vent (2-pipe) or ventilated combustion air
• Electronic air cleaner & 24 VAC humidifier terminal
• 35” (889mm) high, for ease of installation and room for service
• Quarter turn knobs for easy door removal and secure attachment
• Convertible to propane with gas conversion accessory kit
• Four position – upflow/downflow/horizontal (left/right) installation
• Twelve different venting configurations
• Simple troubleshooting of gas valve
• Self-configuring and communicating control
• Slide out heat exchanger assembly and blower assembly
• 10 year No Hassle ReplacementTM limited warranty
• Lifetime heat exchanger limited warranty with timely registration
• 5 year parts limited warranty with timely registration, an additional 5 year parts limited warranty
• For residential applications only. See warranty certificate for complete details and restrictions, including warranty coverage for
other applications.