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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 | 48" | 25,500 ft³/min @ 1/2 in. H₂O 34,300 ft³/min @ 0 in. H₂O | 76 dBA @ 5 ft. | 1,150 | 5 | 56" | 38 3/4" | 60" | 650 | 120 | Steel | 2081K17 | 000000000 | 2230K26 | 0000000 | ||
Belt-Drive Corrosion-Resistant Duct Fans
 |
A 304 stainless steel housing offers good corrosion resistance. All of these belt-drive fans are quieter and have a longer life span than direct-drive fans because components can be replaced if worn or damaged. They install inline in ductwork for use as an exhaust, supply, or booster fan. The fans have a totally enclosed motor enclosure, which can be used in dirty, dusty, and damp environments.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Overall | Mounting | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Duct Dia. | No. of Speeds | Airflow @ SP | Volume (Sound) @ Distance | Motor Speed, rpm | Power, hp | Dia. | Ht. | Dp. | Max. Temp., ° F | Housing Material | Blade Material | Fasteners Included | Hole Dia. | Each | |||
230V AC, 460V AC, Three Phase—Hardwire | |||||||||||||||||
| 24" | 1 | 7,200 ft³/min @ 3/8 in. H₂O 7,900 ft³/min @ 1/8 in. H₂O | 65 dBA @ 15 ft. | 1,700 | 2 | 26 11/16" | 38 3/4" | 21" | 200 | 304 Stainless Steel | Stainless Steel | No | 7/16" | 2357K62 | 000000000 | ||
