





Downblast Vent, Belt Drive, 18-1/2 In
Web Price
$2,873.74
/ each
Product Details
3C437
4c454
AMCA Sound & Air, UL/cUL 705
4,608 cfm
2,000 to 4,999 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 1/10 hp
4608
4508
4401
4290
4179
4046
3900
3753
3575
3178
2499
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Multiple
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
4,608 cfm
2,000 to 4,999 cfm
4,508 cfm
4,401 cfm
4,290 cfm
4,179 cfm
2,000 to 4,999 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
1.10
180 Degrees
1,185 RPM
180 Degrees F
1 1/2 in wc
Standard-Efficiency Motors
Open Dripproof
Open Dripproof (ODP)
1 hp
1
1 hp
Out of Airstream
208/230/460
Roof Curb
Roof
Roof
208-230/440V AC
208-230/460V AC
1
35 1/2 in
35 1/2 in
36 1/8 in
35 1/2 in
35 1/2 in
1
3
3/4 in
4HX49
4HX41
Weather Resistant
1185
Birdscreen, Windband
3/4 in
18.4
17.8
17.1
13.7 sones @ 1.500 in SP and 5 ft, 14.7 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.000 in SP and 5 ft, 15.8 sones @ 0.875 in SP and 5 ft, 16.2 sones @ 0.750 in SP and 5 ft, 16.7 sones @ 0.625 in SP and 5 ft, 17.1 sones @ 0.500 in SP and 5 ft, 17.4 sones @ 0.375 in SP and 5 ft, 17.8 sones @ 0.250 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 19.0 sones @ 0.000 in SP and 5 ft
A
No
AMCA Sound and Air, UL/cUL 705
208V AC/230V AC/460V AC
18 1/2 in
18 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