Heil R96MSN0401712A Up to 97% AFUE Single-Stage Multi-Speed ECM Gas Furnace 4000 BTUH

• Up to 97% AFUE in upflow/horizontal, up to 95% AFUE in downflow
• Multi 18-speed, constant torque (MCT) ECM blower motor
• Enhanced diagnostics with easy to read 3 digit display for faults and status
• Supports single-stage cooling units
• Insulated heat exchanger compartment
• All sizes can be installed in air quality management districts with a 40 ng/J NOx emissions requirement
• Cabinet air leakage less than 2.0% at 1.0 in. w.c. and cabinet air leakage less than 1.4% at 0.5 in. w.c. when tested in accordance with ASHRAE standard 193
• Approved for twinning applications (0601716, 0801716, 0802120, 1002120, 1202422) with accessory (order separately)
• Approved for manufactured housing/ mobile home applications (0401410 through 1202422) with accessory (order separately)