Lennox 17F24 Header Box 321042-401 High Flow Capacity: Large 3"

High Flow Capacity: Large 3" porting allows for maximum Cv

Rugged Construction: Durable plastic material resists the high-traffic demands of commercial HVACR environments

As the direct functional replacement for the MR2DR24-11

OEM Precision: Guaranteed fit for York

while the NBR (Nitrile) seals offer excellent compatibility with liquefied petroleum gases

Lennox 17F24 Header Box 321042-401 High Flow Capacity: Large 3"For veteran HVACR technicians, the Lennox 17F24 Cold End Header Box is the critical OEM solution for repairing high efficiency heating systems. This genuine Lennox header box kit is engineered to replace legacy part numbers 11U60, 103370 49, and 610261 35. In secondary heat exchanger assemblies, the cold end header box manages the collection and drainage of corrosive condensate produced during the combustion process. Using this Lennox 17F24