59MN7C100C21--22
59 = 90%+ Condensing
M = Modulating Gas Valve
N = Infinity Series
7 = +97% AFUE
C = Major Series
100 = 100000 BTU Heating Capacity
C = Communicating Variable Speed Constant Airflow ECM Motor
21 = 21" Casing Width
- = Voltage
- = Minor Series
22 = 2200 CFM

Standard Features:

• 4-way Multipoise design for upflow, downflow or horizontal installations, with unique vent elbow and optional through the-cabinet downflow venting capability.
• All sizes meet ENERGY STAR® Version 4.0 criteria for gas furnaces: 95%+AFUE
• Integral part of the Ideal Humidity System™ Technology
• SmartEvap™ technology helps control humidity levels in the home when used with a compatible humidity control system.
• ComfortFan™ technology allows control of continuous fan speed from a compatible thermostat
• Bluetooth® provides enhanced serviceability and diagnostics.
• Constant airflow variable-speed blower and inducer motors, modulating gas valve.
• Convertible to propane with gas conversion accessory

• 59MN7B100C21--22 - Infinity 97+% AFUE 100000 btuh Modulating Variable Speed Gas Furnace