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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 2 |
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.
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 | Each | Each | ||||
Totally Enclosed Motor Enclosure | |||||||||||||||||
460V AC, Three Phase—Hardwire | |||||||||||||||||
| 2 | 12" | 1,150 ft³/min @ 1/2 in. H₂O 1,800 ft³/min @ 0 in. H₂O | 71 dBA @ 5 ft. | 3,450 | 1/3 | 18" | 26 3/4" | 22" | 44 | 120 | Steel | 2081K25 | 000000000 | 2230K115 | 0000000 | ||
| 2 | 16" | 3,050 ft³/min @ 0 in. H₂O | 70 dBA @ 5 ft. | 1,750 | 1/3 | 22" | 26 3/4" | 26" | 51 | 120 | Steel | 2081K26 | 00000000 | 2230K125 | 000000 | ||
| 2 | 36" | 14,800 ft³/min @ 0 in. H₂O | 68 dBA @ 5 ft. | 1,150 | 1 | 44" | 26 3/4" | 48" | 370 | 120 | Steel | 2081K21 | 00000000 | 2230K48 | 000000 | ||
