Lennox 17F50 Header Box Kit 321702-401 optimizing overall system performance in

optimizing overall system performance in rigorous commercial environments

or if you measure infinite resistance (OL) across the coil

Optimized Efficiency: The PSC motor design and 800 RPM speed rating provide balanced airflow while maintaining a low 0

Use all new components provided in the kit to ensure proper gas valve modulation and leak-free operation

Lennox 17F50 Header Box Kit 321702-401 optimizing overall system performance inThe Lennox 17F50 Cold End Header Box Kit is a critical OEM replacement part designed for high efficiency 90% AFUE and above condensing gas furnaces. As a primary collector box assembly, this kit manages the corrosive condensate generated during the heat exchange process, preventing fluid backup that can lead to pressure switch trips and furnace lockout. This heavy duty header box kit (Lennox 619598 46) is engineered for a precise fit on EL296, ML195,