Lennox 12W47 Inducer Assembly 340155-7024 12-24 thread-forming screws to secure

12-24 thread-forming screws to secure the bracket to the damper frame

Contractors often select this Siemens industrial control transformer for its compact footprint and rugged terminal construction

Built to manufacturer specifications

it maintains the hydraulic integrity and Cv ratings of the original installation

Checking for voltage during the freeze cycle can confirm if the solenoid is energized incorrectly or mechanically seized

Lennox 12W47 Inducer Assembly 340155-7024 12-24 thread-forming screws to secureAs a seasoned technician, you know that a failing Lennox 12W47 Inducer Assembly is often the root cause of pressure switch trip outs and ignition failure in high efficiency systems. This genuine OEM Lennox draft inducer blower (Part Number 20556201) is the precise replacement required for Aire Flo AF92V series furnaces and select Lennox residential heating units. Engineered to manage optimal combustion airflow, this assembly pulls flue gases through