Why does this model include a bleed port

and 8324 models

Key Benefits: Complete internal parts replacement including diaphragms

connect to the B port

Lau 60267601 Fan Blade 322838-753 Why does this model includeThe Lau 60267601 Fan Blade is a professional grade 3 blade aluminum propeller engineered for high volume free air delivery in HVACR systems. This 24 inch diameter fan blade is designed specifically for low pressure applications, including condenser fan replacement, pedestal fans, and air circulators where no ducting is present. With an 18 degree pitch and clockwise (CW) rotation, it provides efficient air movement with reduced noise levels, making it