The Lennox 99K45 HVAC replacement fan blade is a heavy-duty 24-inch condenser fan blade designed for critical airflow management in residential and light commercial outdoor units

providing the necessary electrical output to keep the magnetic operator engaged under high-heat conditions

For oil-fired applications

This part is essential for contractors managing systems in medical facilities

meaning it will open and close reliably even at 0 PSI inlet pressure

Armstrong Furnace 20054001 Inducer Assembly 318518-761 The Lennox 99K45 HVAC replacementThe Armstrong Furnace 20054001 Inducer Assembly is a high performance OEM furnace replacement part engineered to maintain critical exhaust gas ventilation in residential heating systems. This draft inducer motor is a direct fit solution for Armstrong, Ducane, and Lennox furnace models, operating at 115V and 3450 RPM to ensure optimal combustion airflow. By creating the necessary negative pressure to pull flue gases through the heat exchanger, the