Gas Furnace Legacy 80% AFUE 70000 BTU Single-Stage Multi-position 14.2-Inch-Wide Cabinet

The Gas Furnace Legacy 80% AFUE 70000 BTU Single-Stage Multi-position 14.2-Inch-Wide Cabinet (800SB36070M14) offers dependable heating performance with an 80% AFUE efficiency and a nominal 70,000 BTU input. It features a single-stage gas valve and a multi-18-speed constant-torque ECM blower motor for smooth, efficient airflow and quiet operation. This model supports upflow, downflow or horizontal installation through its full 4-way multipoise design, housed in a compact cabinet measuring approximately 14.2.2 wide - 33 1/3 high - 29 deep. Operating on 115 V single-phase power with a ½ NPT gas connection field-convertible for natural gas or propane, it supports up to ~1,200 CFM airflow. Certified for a temperature rise range of 30-60 °F and approved for 13 venting configurations including sealed-combustion or ventilated-combustion-air setups, this furnace is engineered for technician-friendly installation in tight mechanical spaces, with service-friendly features like diagnostics and QuieTech noise reduction.