which is standard for most draw-through condenser applications where the motor is mounted below the fan blade

suitable for both low-temperature refrigeration and medium-temperature air conditioning

Technicians should look for visible grooving

as it may differ from the original unit

Lennox 72L70 Fan Blade 321042-401 which is standard for mostWhen you are onsite and dealing with a failed condenser fan, the Lennox 72L70 Fan Blade is the direct spec replacement required to restore factory level thermal rejection. This 18 inch diameter propeller is engineered for high static pressure applications within Lennox, Armstrong, and Ducane outdoor units. Featuring a 3 blade configuration with a 22 degree pitch, it is balanced to ensure smooth operation and reduced bearing wear on the motor. The 1 2