Gas Furnace Infinity 97% AFUE 80000 BTU Modulating Multi-position 21-Inch-Wide Cabinet

The Gas Furnace Infinity 97% AFUE 80,000 BTU Modulating Multi-Position (59MN7C080C21--20) offers an 80,000 BTU input capacity at approximately 97% AFUE, engineered for upflow, downflow, or horizontal installation in a 21-wide cabinet designed for residential comfort systems. Equipped with a fully modulating gas valve and a communicating variable-speed constant-airflow ECM blower motor, the unit delivers ultra-quiet operation, precise output modulation, and excellent humidity control. It operates on 115 V single-phase power with a typical unit ampacity in the mid-teens (MOCP 20 A) and includes a 1/2" NPT gas connection factory-set for natural gas, convertible to propane. With a 4-way multipoise cabinet supporting up to 13 venting configurations, a height of approximately 35, and a depth near 29 1/2", this furnace offers professional-grade flexibility, technician-friendly service access, and reliable high-efficiency performance.