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this is the replacement diaphragm only
minimizing pressure drop across the loop
resistor) for diverse HVAC damper control requirements
The Lennox 72H36 is factory-set for CCWLE (Counter-Clockwise Lead End) rotation
Lennox 85L52 Blower Wheel R-410A this is the replacement diaphragmThe Lennox 85L52 Blower Wheel is a high performance centrifugal blower fan designed for heavy duty HVAC applications requiring consistent air delivery. Engineered as a 15x15 double inlet blower wheel, this component features a 1 inch bore and is statically and dynamically balanced to minimize vibration and extend the service life of the blower motor. This unit is the direct OEM replacement for Lennox 66656, ensuring exact fitment and airflow