Roof-Mount Ventilators | McMaster-Carr

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For Duct Shape

Base Width

Voltage

208V AC to 230V AC

For Duct Diameter

2 7/8" to 4 7/8"

4 7/8" to 6 7/8"

6 7/8" to 8 7/8"

8 7/8" to 10 7/8"

Airflow @ Static Pressure

400 ft³/min @ 0 in. H₂O

500 ft³/min @ 0 in. H₂O

710 ft³/min @ 0 in. H₂O

800 ft³/min @ 0 in. H₂O

830 ft³/min @ 0 in. H₂O

1,050 ft³/min @ 0 in. H₂O

1,100 ft³/min @ 0 in. H₂O

1,250 ft³/min @ 0 in. H₂O

1,300 ft³/min @ 0 in. H₂O

1,500 ft³/min @ 0 in. H₂O

1,800 ft³/min @ 0 in. H₂O

1,950 ft³/min @ 0 in. H₂O

2,000 ft³/min @ 0 in. H₂O

2,100 ft³/min @ 0 in. H₂O

2,300 ft³/min @ 0 in. H₂O

Blade Diameter

Material

Stainless Steel

DFARS Specialty Metals

Duct Profile

Draft Direction

Diameter

2 7/8" to 4 7/8"

4 7/8" to 6 7/8"

6 7/8" to 8 7/8"

8 7/8" to 10 7/8"

Base Diameter

Power

Less than 0.5 hp

0.5 hp to 0.9 hp

5 hp or greater

Electrical Phase

Opening Width

Number of Speeds

Overall Height

Drive Type

RoHS

Export Control Classification Number (ECCN)

REACH

Width

7 1/2" to 9 1/2"

11 1/2" to 13 1/2"

Airflow @ Wind Speed

110 ft³/min @ 4 mph

145 ft³/min @ 4 mph

195 ft³/min @ 4 mph

255 ft³/min @ 4 mph

305 ft³/min @ 4 mph

425 ft³/min @ 4 mph

440 ft³/min @ 4 mph

600 ft³/min @ 4 mph

630 ft³/min @ 4 mph

700 ft³/min @ 4 mph

790 ft³/min @ 4 mph

950 ft³/min @ 4 mph

1,000 ft³/min @ 4 mph

1,200 ft³/min @ 4 mph

1,700 ft³/min @ 4 mph

Power Source

Motor Enclosure Type

Open Dripproof (ODP)

Totally Enclosed

How can we improve?

146 Products

Heating, Ventilation, and Air Conditioning

Exhaust Fans

Draw stagnant and humid air out of a room or area

Exhaust Fan Mounts

Exhaust Fan Mounts

Add a flat, straight, or slope base to exhaust fans so you can mount them on roofs

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

Chimney Vent Caps

Chimney Vent Caps

Cover chimneys to reduce downdrafts and block out debris

Louvers

Allow air to circulate through doors, walls, roofs, and enclosures

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)