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Dayton - Belt Drive Axial Upblast Roof Exhaust Fan 36 in Blade (4YY25)

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This belt drive axial upblast roof exhaust fan features a 36-inch steel blade, designed for clean air exhaust in industrial and commercial buildings. It is intended to remove odorous, hot, or stale air and requires a user-supplied drive package, as it does not include a motor or drive components. The fan is constructed with a galvanized steel housing and steeply pitched swept blades for efficient airflow and durability. It mounts on a roof curb and includes regreasable pillow block bearings for reliable operation. The weather-resistant design and unassembled delivery make it suitable for demanding ventilation needs.

This belt drive axial upblast roof exhaust fan features a 36-inch steel blade, designed for clean air exhaust in industrial and commercial buildings. It is intended to remove odorous, hot, or stale air and requires a user-supplied drive package, as it does not include a motor or drive components. The fan is constructed with a galvanized steel housing and steeply pitched swept blades for efficient airflow and durability. It mounts on a roof curb and includes regreasable pillow block bearings for reliable operation. The weather-resistant design and unassembled delivery make it suitable for demanding ventilation needs.

PDFDayton Axial Belt-Drive Upblast Exhaust Ventilator Motor Mounting Diagram
PDFDayton Axial Belt-Drive Upblast Exhaust Ventilators Manual

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Manual for Belt Drive Axial Upblast Roof Exhaust Fan 36 in Blade (4YY25)

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