Gas Furnace Evolution 80% AFUE 110000 BTU Two-Stage Variable-Speed Multi-position 21-Inch-Wide Cabinet

The Gas Furnace Evolution 80% AFUE 110,000 BTU Two-Stage Variable-Speed Multi-Position (880TB60110C21) delivers powerful and efficient performance with an 80% AFUE rating and a normalized 110,000 BTU input, engineered for high-capacity residential applications. It features a two-stage gas valve for optimized fuel use and a variable-speed ECM blower motor that precisely manages airflow for quiet operation, improved humidity control, and consistent comfort across both heating stages. The 21-wide cabinet (approximately 33 1/2" high - 29 deep) supports upflow, downflow, or horizontal installation in a full 4-way multipoise design, providing versatility for diverse installation requirements. Operating on 115 V single-phase power, the unit includes a 1/2" NPT gas connection that is field-convertible for natural gas or propane and supports nominal airflow up to 1,900 CFM. Certified for a temperature rise range of 40-70 °F and a maximum external static pressure of 0.15 in. w.c., the furnace accommodates up to 13 venting configurations for sealed or ventilated combustion air. Featuring Evolution control compatibility, Perfect Heat adaptive comfort technology, Fan On Plus continuous fan operation, QuietTech sound insulation, and technician-friendly service access, the 880TB60110C21 is bu(more...)