Model PRN direct drive fans are centrifugal power roof ventilators designed for exhausting clean air. This model has a max CFM of 1,760. The PRN is a downblast exhauster suitable for all types of commercial and institutional buildings such as schools, hospitals, office buildings, and retail stores.
Hoods constructed of heavy gauge aluminum, die formed with rolled bead for strength
Curb base and inlet are one piece with continuous welded corners
Steel fasteners are zinc dichromate plated
Heavy gauge galvanized wire birdscreen
Heavy gauge corner support brackets transmit motor and impeller weight to curb base
Conduit post for ease of electrical wiring
Airfoil Centrifugal Wheel
Aluminum construction with backward curved hollow airfoil blades
Non-overloading design for safe operation
Precision balanced for smooth vibration free operation
Continuous duty motors located outside the airstream
Motor compartment is ventilated by a "forced air" cooling system
Factory wired with polarized disconnect plug (except explosion resistant motors)
US Fan Direct Drive Down Blast Roof Exhaust Fan 1625 RPM .25 HP 120 Volts, 1 Phase
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