Greenheck 473303 Blower Wheel 319825-402 System Reliability: Features an internal

System Reliability: Features an internal check valve to support reverse flow in heat pump applications while preventing evaporator flooding

Once the suction pressure reaches a predetermined limit

Applying power activates the motor to close the damper blades

Key Benefits: Precision Alignment: Maintains strict motor positioning to prevent drive-train stress and belt wear in belt-driven applications

Always verify the fan blade pitch and rotation direction of your original motor before installation to ensure proper airflow through the condenser coils

Greenheck 473303 Blower Wheel 319825-402 System Reliability: Features an internalThe Greenheck 473303 Blower Wheel is a critical replacement component engineered for high static pressure applications within specialized HVAC ventilation systems. This centrifugal blower wheel features a single inlet design with precision balanced blades to ensure minimal vibration and optimal airflow performance. Specifically designed for compatibility with Greenheck fan assemblies, the 473303 model utilizes high grade construction materials to