| Air Intake Hood |
Roof Jack |
 |
 |
| L=10" standard, H=D+3, W=D+4. |
Roof Jacks are spot welded and soldered.
L=11" Standard. Plate size = D2+9 |
| Air Intake Hood |
| D |
Opening |
Gauge |
Part # |
| 3 |
5x2 |
30 |
2-03643 |
| 4 |
6x3 |
30 |
2-04643 |
| 5 |
7x3 |
30 |
2-05643 |
| 6 |
8x4 |
30 |
2-06643 |
| 7 |
9x5 1/2 |
30 |
2-07643 |
| 8 |
10x5 |
30 |
2-08643 |
| 9 |
11x6 |
26 |
2-09643 |
| 10 |
12x6 1/2 |
26 |
2-10643 |
| 11 |
13x7 3/10 |
26 |
2-11643 |
| 12 |
14x8 |
26 |
2-12643 |
| 14 |
16x9 3/5 |
26 |
2-14643 |
| 16 |
18x11 |
26 |
2-16643 |
| 18 |
20x13 |
24 |
2-18643 |
| 20 |
22x14 |
24 |
2-20643 |
| 22 |
24x16 |
24 |
2-22643 |
| 24 |
26x17 1/2 |
24 |
2-24643 |
|
| Roof Jack |
| D |
D2 |
Gauge |
Part # |
| 3 |
6 |
26 |
2-0375 |
| 4 |
7 |
26 |
2-0475 |
| 5 |
8 |
26 |
2-0575 |
| 6 |
9 |
26 |
2-0675 |
| 7 |
10 |
26 |
2-0775 |
| 8 |
11 |
26 |
2-0875 |
| 9 |
12 |
26 |
2-0975 |
| 10 |
13 |
26 |
2-1075 |
| 11 |
14 |
26 |
2-1175 |
| 12 |
15 |
26 |
2-1275 |
| 14 |
17 |
24 |
2-1475 |
| 16 |
19 |
24 |
2-1675 |
| 18 |
21 |
24 |
2-1875 |
| 20 |
23 |
24 |
2-2075 |
| 22 |
25 |
24 |
2-2275 |
| 24 |
27 |
24 |
2-2475 |
|
| Air intake hoods all come standard with 1/4" bird screen attached and a 1" mounting flange around top and sides. Other sizes available. |
Other sizes and roof pitch are available. |
Low/High Pressure Defined 
