UL 705 listed, UL 762 for restaurant grease applications.

Fan shall be bolted and welded construction utilizing corrosion resistant fasteners.  The scroll wrapper shall be minimum 14 gauge steel and the scroll side panels shall be a minimum 12 gauge steel.  The entire fan housing shall have continuously welded seams for leak-proof operation.  The fan housing shall be field rotatable to any one of eight discharge positions and shall have a minimum 1 1/2″ outlet discharge flange.  Bearing support shall be minimum 10 gauge welded steel.  Side access inspection ports shall be provided with quick release catches for access to the motor compartment without removing the weather cover.  Steel fan components shall be Lorenized with an electrostatically applied, baked polyester powder coating.

Wheel shall be steel centrifugal backward inclined, non-overloading flat blade type.  Blades shall be continuously welded to the backplate and deep spun inlet shroud.  Wheel hub shall be keyed and securely attached to the fan shaft.