





Downblast Vent, Belt Drive, 21-1/2 In
Web Price
$2,506.24
/ each
Product Details
3C437
4c454
AMCA Sound & Air, UL/cUL 705
6,032 cfm
5,000 to 7,999 cfm
Industrial and Commercial Applications
Unassembled
Unassembled
Not Applicable
30 in Square
1 3/4 in
30 in
Square
30 in x 30 in
30 x 30
30 in
Regreasable Pillow Block
1 14/25 hp
6032
5870
5682
5473
5301
5124
4925
4698
4450
3751
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Multiple
19.6/9.8 A
23 x 23 in
30 in
35 1/2 in
34 3/8 in
5 1/2 in
Yes
Yes
Belt Drive
Belt Drive
Standard
Power Cord
6,032 cfm
5,000 to 10,000 cfm
5,870 cfm
5,682 cfm
5,473 cfm
5,301 cfm
5,000 to 10,000 cfm
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Clean Air
No
60 Hz
No
35.5 in
Aluminum
Spun
35.5 in
60
Drive Package, NEMA 1 Junction Box
Yes
Yes
Downblast Ventilator
Aluminum Blade with Aluminum Housing
1.56
180 Degrees
1,090 RPM
180 Degrees F
1 1/4 in wc
Standard-Efficiency Motors
Open Dripproof
Open Dripproof (ODP)
1 1/2 hp
1-1/2
1 1/2 hp
Out of Airstream
1,725 RPM
115/230
Roof Curb
Roof
Roof
115/230V AC
115/230V AC
1
35 1/2 in
35 1/2 in
36 1/8 in
35 1/2 in
35 1/2 in
1
1
3/4 in
4HX49
4HX41
Weather Resistant
1090
Birdscreen, Windband
3/4 in
19.6
18.9
18.1
15.8 sones @ 1.250 in SP and 5 ft, 16.8 sones @ 1.000 in SP and 5 ft, 17.2 sones @ 0.875 in SP and 5 ft, 17.5 sones @ 0.750 in SP and 5 ft, 17.8 sones @ 0.625 in SP and 5 ft, 18.1 sones @ 0.500 in SP and 5 ft, 18.4 sones @ 0.375 in SP and 5 ft, 18.9 sones @ 0.250 in SP and 5 ft, 19.6 sones @ 0.125 in SP and 5 ft, 20.0 sones @ 0.000 in SP and 5 ft
A
No
AMCA Sound and Air, UL/cUL 705
115V AC/230V AC
21 1/2 in
21 1/2 in
Aluminum
Backward Inclined
Viewed together

$22.36 / each
Web price

$26.24 / each
Web price

$27.11 / each
Web price

$41.49 / each
Web price

$40.86 / each
Web price