





Downblast Vent, Belt Drive, 24-1/2 In
Web Price
$2,561.24
/ each
Product Details
3C438
4c455
AMCA Sound & Air, UL/cUL 705
4,637 cfm
2,000 to 4,999 cfm
Industrial and Commercial Applications
Unassembled
Unassembled
Not Applicable
34 in Square
1 3/4 in
34 in
Square
34 in x 34 in
34 x 34
34 in
Regreasable Pillow Block
7/20 hp
4637
4242
3761
3060
2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Multiple
6.6/3.4 to 3.1 A
27 x 27 in
34 in
42 3/4 in
38 3/8 in
5 3/4 in
Yes
Yes
Belt Drive
Belt Drive
Standard
Power Cord
4,637 cfm
2,000 to 4,999 cfm
4,242 cfm
3,761 cfm
3,060 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
42.8 in
Aluminum
Spun
42.8 in
60
Drive Package, NEMA 1 Junction Box
Yes
Yes
Downblast Ventilator
Aluminum Blade with Aluminum Housing
0.35
180 Degrees
505 RPM
180 Degrees F
3/8 in wc
Standard-Efficiency Motors
Open Dripproof
Open Dripproof (ODP)
1/3 hp
1/3
1/3 hp
Out of Airstream
1,725 RPM
115/208/230
Roof Curb
Roof
Roof
115/208-230V AC
115/208-230V AC
1
42 3/4 in
42 3/4 in
40 1/8 in
42 3/4 in
42 3/4 in
1
1
1 in
4HX50
4HX42
Weather Resistant
505
Birdscreen, Windband
1 in
7.5
6.9
6.1
6.1 sones @ 0.375 in SP and 5 ft, 6.9 sones @ 0.250 in SP and 5 ft, 7.5 sones @ 0.125 in SP and 5 ft, 7.8 sones @ 0.000 in SP and 5 ft
A
No
AMCA Sound and Air, UL/cUL 705
115V AC/208V AC/230V AC
24 1/2 in
24 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