Gas Furnace Comfort 96% AFUE 40000 BTU Single-Stage Multi-position 14.2-Inch-Wide Cabinet

The Gas Furnace Comfort 96% AFUE 40,000 BTU Single-Stage Multi-Position (59SC6A040M14--10) delivers a 40,000 BTU input with roughly 38,000 BTU output at 96% efficiency, designed for upflow, downflow, or horizontal installation via a 4-way multipoise cabinet. The 14.2-wide cabinet (35 high - 29 1/2" deep) fits tight mechanical rooms while providing full front access for maintenance. Equipped with a single-stage gas valve and a constant-torque ECM blower motor, this unit delivers quiet, efficient airflow and reliable heating performance. It operates on 115 V single-phase power drawing around 6 A on a 15 A circuit and connects to gas via a 1/2" NPT fitting factory-set for natural gas (field-convertible to propane). With support for direct-vent or single-pipe venting, durable aluminized-steel primary and stainless-steel secondary heat exchangers, and a certified temperature rise range of 35-65 °F, this Comfort series furnace offers installation flexibility, technician-friendly service access, and dependable long-term efficiency.