Reznor 195647 Fan Blade 323269-701 and Knight series units

and Knight series units

the 21W66 is the direct superseding part number for Lennox LB-106197

the KP15A provides reliable electrical contact even under heavy vibration or rapid cycling

reducing errors during routine inspections

bearing wear due to dust accumulation on the blower wheel or excessive belt tension (if applicable) are the primary culprits

Reznor 195647 Fan Blade 323269-701 and Knight series unitsThe Reznor 195647 Fan Blade is a critical OEM replacement component designed for high efficiency air movement in industrial unit heaters and commercial air handlers. This precision engineered 13 inch fan blade features a three finned configuration optimized for the static pressure requirements of the Reznor UDAP 75 heater and compatible blower assemblies. Manufactured with a 1 4 inch bore, this blade ensures a secure, vibration free fit on standard