Lennox 64W52 Blower Pulley 321042-401 This OEM draft inducer is

This OEM draft inducer is the direct replacement for the legacy 3H33213-5

By providing reliable electrical feedback

F of error for every 250 feet of 18 AWG wire

this 575V to 24V step-down transformer is engineered to provide precise voltage regulation for control circuits

ensuring the heat exchanger operates at peak thermal efficiency without risking premature component fatigue

Lennox 64W52 Blower Pulley 321042-401 This OEM draft inducer isThe 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