US Fan 10" Down Blast Roof Exhaust Fan Direct Drive, 1550 RPM 1/10 HP 120 Volts, 1 Phase

US Fan

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Model

PRN110-.1-1P

19712

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$682.00

Product Features

Durable & Weather-Resistant Build
High-efficiency motor ensures consistent airflow and performance.
Low-Maintenance Direct-Drive System
Suitable for commercial and industrial spaces

Description

OVERVIEW

Model PRN direct drive fans are centrifugal power roof ventilators designed for exhausting clean air. This model has a maximum CFM of 1090 and is ideally suited for the removal of grease-laden exhaust found in restaurant and commercial kitchen applications. The PRN is a downblast exhauster suitable for all types of commercial and institutional buildings, such as schools, hospitals, office buildings, and retail stores.

Key Features:

Heavy-gauge aluminum windband with rolled bead for added strength and durability
Sealed windband perimeter designed to prevent air leakage during operation
Quick-release latches provide easy access to the motor compartment without special tools
Precision-balanced, backward-curved aluminum centrifugal wheel ensures smooth, vibration-free performance
Non-overloading wheel design enhances safety and reliability in continuous use
Continuous-duty motor with sealed ball bearings positioned outside the airstream for maximum protection
Cooling fins and breather tube system extend motor life by directing outside air into the motor compartment

Warranty Information

US Fan is committed to delivering high-quality, reliable equipment, and we stand firmly behind every product we manufacture. To demonstrate this commitment, we provide a 2-Year Comprehensive Warranty on all products, along with a 5-Year Bearing and Shaft Warranty on our exclusive duplex split pillow block bearings and shafts. This limited warranty is extended to the original purchaser and guarantees that products supplied by US Fan will be free from defects in materials and workmanship for a period of two (2) years from the date of shipment, provided that the equipment has been properly handled, stored, installed, serviced, maintained, and operated in accordance with the company’s guidelines.

This warranty does not cover products that have been altered, repaired, or modified without US Fan's written approval, or those improperly installed, misused, neglected, damaged, or used with incompatible equipment. The purchaser assumes all risks from improper use. This warranty replaces all other express or implied warranties, including merchantability and fitness for a particular purpose, and serves as the sole and exclusive remedy for defective products.

Durable Materials & Construction

The US Fan PRN Down Blast Exhaust Fan is built with a heavy-gauge aluminum housing that provides excellent corrosion resistance and superior protection against outdoor elements. Its centrifugal backward-curved wheel is crafted from precision-balanced aluminum, designed for smooth operation and long motor life. The fan includes a weather-resistant motor cover that safeguards critical components against rain, snow, and debris. With rugged construction and minimal moving parts, this unit is made to perform reliably in demanding commercial and industrial environments. Unlike standard roof exhaust fans, the PRN Down Blast Direct Drive Fan uses a centrifugal design to direct airflow downward, ensuring efficient removal of contaminated air while minimizing noise and vibration. Its compact yet powerful design is perfect for spaces where continuous, reliable ventilation is critical. The direct drive motor enhances reliability and reduces operating costs, while the carefully engineered wheel and housing ensure optimal airflow efficiency.

Suitable Applications for US Fan Downblast Exhaust Fan

The US Fan Downblast Roof Exhaust Fan is ideal for a wide variety of demanding applications, including

Commercial kitchens – Safely remove grease, smoke, and odors to meet ventilation standards
Warehouses and storage areas – Control temperature and moisture to protect goods and prevent damage
Office buildings – Refresh indoor air, regulate humidity, and maintain comfort across multi-story spaces
Retail spaces – Keep malls, supermarkets, and shops cool, fresh, and welcoming for customers
Light manufacturing facilities – Remove heat, fumes, and odors to protect workers and equipment
Healthcare facilities – Maintain clean air by reducing contaminants in patient rooms and surgical areas
Hospitality and event venues – Provide fresh, comfortable air in lobbies, halls, and conference spaces

Product Specifications

More Information
US Fan 10" Down Blast Roof Exhaust Fan Direct Drive, 1550 RPM 1/10 HP 120 Volts, 1 Phase
SKU	PRN110-.1-1P
Weight (in lbs)	26.000000
Brand/Manufacturer	US Fan
Product Features	Low Profile
Additional Information	Comparable to Acme Fan.
Drive Type	Direct
Maximum CFM	1090
Sone	8.7
Wheel Size	10"
Motor RPM	1550
Horsepower	1 / 10 HP
BHP	.1
Electrical	120/240 V, Single Phase
Curb Cap Size	16 x 16"
Warranty	2 Year Comprehensive Warranty
Resources	ACME / US Fan Catalog You will need Adobe® Acrobat® Reader to view PDF documents.

Reviews

Questions and Answers

Customer Questions

What does the “low profile” design mean, and why might it matter?

This design allows the motor and drive parts to be set into the roof curb, so the unit doesn’t stick up as much above the roof. That helps reduce wind exposure, looks cleaner, avoids height issues, and makes it easier to install in areas with limited clearance. If you’d like help finding the best option for your space, our team is here to assist you.

Is this applicable on school kitchens?

Yes, it is! You’ll just need to select the right size and airflow (CFM) to match your kitchen space. If you’d like help choosing the best option, our team is always available to assist you.

How energy efficient is the PRN fan?

PRN uses a direct-drive motor with a non-overloading blower wheel. That means it delivers airflow without wasting power, especially when you stay within its static pressure rating.

Can this fan be installed on walls instead of just roofs?

The PRN is specifically designed for roof exhaust (downblast). Wall installations are usually different because of the flow orientation. We have other fans that can be installed in walls. If you’d like help choosing the best option, our team is always available to assist you.

How often should I service this fan?

Service needs can vary depending on where the fan is used. In dusty or heavy-use areas, it’s a good idea to check it about once a month. For cleaner or lighter-use spaces, a more detailed inspection every few months is usually enough to keep it running smoothly.

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