17
Sidewall Options and Accessories
Collars / Housing Dimensions
Wall Collar Short Wall Housing
Long Wall Housing
Filtered Wall Housing
Filtered Wall Housing
Short Wall Housing
Wall Collar
K
L
A
Filtered Wall Housing
Short Wall Housing
Wall Collar
K
L
A
K
A
B*
K
A
M
K
A
B*
* B - Short Wall Housing: B dimension will increase
by 6 inches (152 mm) when a long wall housing is
selected or a motorized backdraft damper is specified.
For complete dimensional information refer to
submittal. All dimensions given in inches (mm).
Size
Wall Collar and Housings
Galvanized
Steel Gauge
(ga) Thickness
A B* K L M W.O.
8
13
1
⁄4
(337)
19
(483)
16
1
⁄4
(413)
16
1
⁄8
(410)
—
14
1
⁄4
(362)
18
10
15
1
⁄4
(387)
19
(483)
18
1
⁄4
(464)
16
1
⁄8
(410)
—
16
1
⁄4
(413)
18
12
18
1
⁄4
(464)
23
(584)
21
1
⁄4
(540)
16
1
⁄8
(410)
—
19
1
⁄4
(489)
18
14
20
1
⁄4
(514)
26
(660)
23
1
⁄4
(591)
18
3
⁄8
(467)
—
21
1
⁄4
(540)
18
16
22
1
⁄4
(565)
27
(686)
25
1
⁄4
(641)
18
3
⁄8
(467)
—
23
1
⁄4
(591)
18
18
24
1
⁄4
(616)
28
(711)
27
1
⁄4
(692)
18
3
⁄8
(467)
—
25
1
⁄4
(641)
18
20
26
1
⁄4
(667)
32
(813)
29
1
⁄4
(743)
18
3
⁄8
(467)
—
27
1
⁄4
(692)
18
24
32
1
⁄4
(819)
37
(940)
38
1
⁄4
(972)
18
3
⁄8
(467)
63
(1600)
33
3
⁄4
(857)
18
30
38
1
⁄4
(972)
38
(965)
44
1
⁄4
(1124)
18
3
⁄8
(467)
65
(1651)
39
3
⁄4
(1010)
18
36
44
1
⁄4
(1124)
39
(991)
50
1
⁄4
(1276)
18
3
⁄4
(476)
67
1
⁄4
(1708)
45
3
⁄4
(1162)
18
42
50
3
⁄8
(1280)
44
(1118)
56
3
⁄8
(1432)
18
3
⁄4
(476)
72
7
⁄8
(467)
51
3
⁄4
(1314)
18
48
56
3
⁄8
(1432)
44
(1118)
62
3
⁄8
(1584)
18
7
⁄8
(479)
72
7
⁄8
(1851)
57
3
⁄4
(1467)
18
54
62
3
⁄8
(1584)
52
(1321)
68
3
⁄8
(1737)
20
1
⁄8
(511)
79
11
⁄16
(2024)
63
3
⁄4
(1619)
18
60
68
3
⁄8
(1737)
54
(1372)
74
3
⁄8
(1889)
21
(533)
—
69
3
⁄4
(1172)
16
72
83
1
⁄8
(2111)
60
(1524)
89
1
⁄8
(2264)
22
(559)
—
84
3
⁄4
(2153)
12
All dimensions given in inches (mm)
Filtered Wall Housing
Short Wall Housing
Wall Collar
K
L
A
K
A
B*
* B - Short Wall Housing: B dimension will increase
by 6 inches (152 mm) when a long wall housing is
selected or a motorized backdraft damper is specified.
For complete dimensional information refer to
submittal. All dimensions given in inches (mm).
Filtered Wall Housing
Short Wall Housing
Wall Collar
K
L
A
K
A
B*
K
A
M
K
A
B*
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