Lennox 74K77 Induced Draft Motor Assembly Refrigerant a failing unit often results

a failing unit often results in intermittent blower operation or a complete loss of heat

Professional replacement of the aluminized heat exchanger using this factory-grade cell is critical for preventing carbon monoxide leakage and ensuring consistent manifold pressure during peak heating loads

High BTU Capacity: Supports up to 7

This mechanical operation ensures HVAC pressure regulation without the need for complex wiring or actuators

Lennox 74K77 Induced Draft Motor Assembly Refrigerant a failing unit often resultsThe Lennox 74K77 Induced Draft Motor Assembly is a critical OEM replacement component designed for high efficiency gas furnaces and packaged units. This 1 30 HP draft inducer motor operates at 3000 RPM on a 208 230V, single phase power supply, drawing approximately 0. 6 to 0. 7 Amps. Engineering specifications include a shaded pole motor design with a 1 4 inch shaft and Clockwise Lead End (CWLE) rotation. As a complete IDM assembly, it includes the