Durable metal construction resists corrosion and maintains gas flow integrity over long-term operation

Once the 5390 is wired to the S1 and S2 terminals

Optimized Energy Efficiency: The cogged profile reduces internal friction and energy loss

5" diameter and 1

While nitride is more robust

Greenheck 1039437 Motor 318973-401 Durable metal construction resists corrosionThe Greenheck 1039437 Motor is a high efficiency 8 watt fan motor designed for continuous duty application in commercial ventilation systems. Operating at 115V and 60Hz, this fractional horsepower motor serves as a direct manufacturer replacement for specific Greenheck exhaust fans and air handling units. Its shaded pole design ensures reliable startup torque and smooth rotation in light duty airflow environments. When troubleshooting a failed blower