Lennox 64W52 Blower Pulley 321894-706 The rubber cartridge design of

The rubber cartridge design of the 20A84 is specifically required for sound attenuation and vibration isolation in Lennox blowers

those two part numbers represent the same technical specification and are interchangeable for all S688A series applications

mitigating the risk of loose connections or vibration-induced faults in boilers and process furnaces

Featuring a 7/16" tube inlet and outlet with a 48" nickel-plated copper capillary

Ensure the blade is free of obstructions and the end switch is engaging

Lennox 64W52 Blower Pulley 321894-706 The rubber cartridge design ofThe Lennox 64W52 Blower Pulley is a critical power transmission component engineered for high demand commercial HVAC applications. Featuring a 7. 25 inch outer diameter and a 1 inch finished bore, this single groove (1 groove) pulley is designed to facilitate precise airflow management by efficiently transferring torque from the blower motor to the fan assembly. Constructed from high grade cast iron (Browning AK74X1 equivalent), it provides the