12
Figure 8 - Duct Hanger Assembled
Table 3 - Duct Hanger Bill of Materials
Ref
Size 1
Size 2
Size 3
Size 4
1 RTU1DHR = Quantity x 1 RTU2DHR = Quantity x 2 RTU3DHR = Quantity x 1
N/A
2 RTU1DHL = Quantity x 3 RTU2DHL = Quantity x 3
NOTE: ERV Quantity x 4
RTU3DHL = Quantity x 3
NOTE: ERV Quantity x 4
RTU4DHL = Quantity x 3
NOTE: ERV Quantity x 4
3 RTU1DHD = Quantity x 2 RTU2DHD = Quantity x 2 RTU3DHD = Quantity x 2 RTU4DHD = Quantity x 2
Table 4 - Duct Hanger Curb Dimensions
Reference
Size 1
Size 2
Size 2 ERV
Size 3
Size 3 ERV
Size 4
Size 4 ERV
A
12-3/4”
12-1/4”
18”
16-5/8”
17-7/8”
15-1/2”
15-5/8”
B
36-1/4”
33-3/8”
40-1/4”
48-1/8”
41-3/8”
60-1/4”
49-3/8”
C
59-1/4”
55-1/2”
60-1/4”
71-5/8”
72”
93-3/4”
93-7/8”
D
N/A
1-3/4”
73-7/8”
N/A
90”
N/A
110”
E
31-1/4”
39-1/2”
1-3/4”
48-3/8”
N/A
N/A
N/A
F
5-1/4”
3-3/8”
39-1/2”
2-3/4”
40-3/8”
29-3/8”
N/A
G
27-3/4”
35-3/8”
7-3/8”
43-1/2”
2-5/8”
70-3/4”
29-3/8”
H
N/A
N/A
29-1/8”
N/A
43-1/2”
N/A
70-7/8”
Non ERV Curb
ERV Curb