Gas Furnace Infinity 97% AFUE 80000 BTU Two-Stage Multi-position 17.5-Inch-Wide Cabinet

The Gas Furnace Infinity 97% AFUE 80000 BTU Two-Stage Multi-position (59TN7A080C17--16) delivers an 80,000 BTU input with up to 97% AFUE efficiency, engineered for flexible up-flow, down-flow or horizontal installation. Its 17.5-inch-wide cabinet (about 35 high 29.5 deep) provides compact placement with full front service access for technicians. Featuring a two-stage gas valve and a variable-speed constant-airflow ECM blower motor, the furnace offers smooth transitions between heat stages, ultra-quiet operation and enhanced humidity control when paired with compatible system controls. Operating on 115 V single-phase power with a maximum overcurrent protection rating of 15 A, it includes a ½ NPT gas connection factory-set for natural gas and field-convertible to propane. With its 4-way multipoise design supporting up to 13 venting configurations, durable aluminized-steel primary and stainless-steel secondary heat exchangers, and a certified temperature-rise range of 35“65 °F, this Comfort Series furnace is designed for professional installation flexibility, technician-friendly service and long-term reliable performance.