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About Exhaust Fans
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Choose an exhaust fan based on the size of your space and how often you want to refresh the air.
Direct-Drive Upblast Roof-Mount Exhaust Fans
 |
Style 1 |
Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. These exhaust fans draw stagnant and humid air out through your roof and then expel it up and away from the roof surface. All fans have a disconnect switch to turn off the power for servicing.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Brushless Motor—Fans with a brushless motor have advanced electronic controls that allow them to precisely operate at wide range of speeds, making them more efficient, quieter, and longer lasting than fans with a standard motor.
Exhaust Fans | Mounting Bases | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | ||||||||||||||||||
Style | Blade Dia. | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Base Wd. | Wt., lb. | Ambient Temp., ° F | Housing Material | Certification | Each | Each | ||||
Open Dripproof (ODP) Motor Enclosure | ||||||||||||||||||
120V AC, Single Phase—Hardwire | ||||||||||||||||||
| 1 | 11 3/4" | 750 ft³/min @ 1/2 in. H₂O 1,050 ft³/min @ 0 in. H₂O | 59 dBA @ 5 ft. | 1,300 | 1/4 | 25 1/2" | 25 1/4" | 21" | 67 | 300 | Aluminum | AMCA Certified, ETL Listed | 2232K32 | 0000000 | 2230K31 | 0000000 | ||
Totally Enclosed Motor Enclosure—Brushless Motor | ||||||||||||||||||
120V AC, Single Phase—Hardwire | ||||||||||||||||||
| 1 | 11 3/4" | 1,050 ft³/min @ 1/2 in. H₂O 1,300 ft³/min @ 0 in. H₂O | 70 dBA @ 5 ft. | 1,575 | 1/3 | 25 1/2" | 25 1/4" | 21" | 64 | 300 | Aluminum | AMCA Certified, ETL Listed | 2232K33 | 000000 | 2230K31 | 000000 | ||
