Optimized Airflow: Maintains the correct static pressure and fan shroud alignment for peak energy efficiency

Found primarily in industrial boilers

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Lennox 71W99 Blade 318820-201 Optimized Airflow: Maintains the correctThe Lennox 71W99 is a high performance 3 blade condenser fan blade engineered for heavy duty HVACR applications. This OEM Lennox fan blade features a 23. 5 inch diameter and a 26 degree pitch, specifically calibrated to optimize airflow across condenser coils in residential and commercial outdoor units. With a 1 2 inch bore and clockwise (CW) rotation, the 71W99 ensures a secure fit on standard motor shafts, maintaining the static pressure