Heatilator C40 Owner's Manual page 64

A
10-1/2 in.
8 in.
(267 mm)
(203 mm)
INSULATED DUCT
42 in.
(10669 mm)
ID4
A
B
14-1/2 in.
(368 mm)
UNINSULATED DUCT
4 in.
(102 mm)
42 in.
(10669 mm)
UD4
(305 mm)
27-3/8 in.
(695 mm)
12in.
(305 mm)
31 in.
4 in.
(102 mm)
12 in.
24-5/8 in.
(625 mm)
24-5/8 in.
(625 mm)