Gas Furnace Legacy 96% AFUE 100000 BTU Single-Stage Multi-position 21-Inch-Wide Cabinet 916SA60100M21

The Gas Furnace Legacy 96% AFUE 100,000 BTU Single-Stage Multi-Position (916SA60100M21) delivers dependable, high-efficiency heating with a 96.5% AFUE rating and a normalized 100,000 BTU input, engineered for flexible installation in upflow, downflow, or horizontal configurations. Its 21″-wide cabinet (approximately 35″ high × 29 1/2″ deep) provides ample coil space and easy front service access for residential and light commercial applications. A constant-torque ECM blower motor ensures quiet, consistent airflow and improved electrical efficiency through both heating and cooling cycles. Operating on 115 V single-phase power with a 15 A circuit, the furnace includes a 1/2″ NPT gas connection field-convertible for natural gas or propane and supports PVC or CPVC venting in both direct-vent and single-pipe configurations. Certified for a temperature rise range of 35–65 °F and a maximum external static pressure of 0.10 in. w.c., the 916SA60100M21 provides reliable comfort, simplified installation, and technician-friendly service access for long-term high-efficiency performance.