Gas Furnace Preferred 80% AFUE 90000 BTU Two-Stage Variable-Speed Multi-position 17.5-Inch-Wide Cabinet

The Gas Furnace Preferred 80% AFUE 90,000 BTU Two-Stage Variable-Speed Multi-Position (820TB48090V17) provides reliable comfort and quiet operation with an 80% AFUE efficiency rating and a normalized 90,000 BTU input. Engineered for professional HVAC applications, it features a two-stage gas valve and a variable-speed ECM blower motor that delivers precise airflow control, enhanced humidity management, and smooth transitions between heating stages for greater comfort and efficiency. The cabinet measures approximately 17.5 inch wide 33 1/2" high 29 deep and supports upflow, downflow, or horizontal installation within a 4-way multipoise design. Operating on 115 V single-phase power, the furnace includes a 1/2" NPT gas connection field-convertible for natural gas or propane and supports nominal airflow up to 1,600 CFM. Certified for a temperature rise range of 30“60 °F and a maximum external static pressure of 0.12 in. w.c., it accommodates up to 13 venting configurations for sealed or ventilated combustion air. Equipped with Perfect Heat adaptive control, Fan On Plus continuous fan operation, QuietGuard insulated cabinet design, and technician-friendly access, the 820TB48090V17 combines high performance, installation flexibility, and service simplicity for professional-grade HVAC in(more...)