Gas Furnace Legacy 92% AFUE 80000 BTU Single-Stage Multi-position 17.5-Inch-Wide Cabinet

The Gas Furnace Legacy 92% AFUE 80,000 BTU Single-Stage Multi-Position (912SE48080M17) delivers expert-level heating performance with a 92% AFUE efficiency rating and a normalized 80,000 BTU input. It features a single-stage gas valve paired with a fixed-speed, constant-torque ECM blower motor that ensures steady, quiet airflow and improved electrical efficiency. The 17.5 inch-wide cabinet (approximately 35 high 29 deep) supports upflow, downflow, or horizontal installation through a full 4-way multipoise design, ideal for tight mechanical spaces. Approved for natural gas or propane with a 1/2 NPT field-convertible connection, the furnace operates on 115 V single-phase power and supports nominal airflow up to 1,350 CFM. Certified for a temperature rise range of 35“65 °F and a maximum external static pressure of 0.10 in. w.c., this model accommodates sealed-combustion, direct-vent, or single-pipe venting configurations. With its insulated cabinet for quiet operation, durable construction, and technician-friendly service access, the 912SE48080M17 offers HVAC professionals a reliable, efficient, and service-ready furnace solution for modern residential installations.