Heatilator ST42A Owner's Manual page 38

21 in.
(533 mm)
SL1130 - Offset/Return
14-1/2 in.
(368 mm)
AS10 - Straight Attic Insulation Shield
13 in.
(330 mm)
JB577 - Chimney Joint Band
13 in.
(330 mm)
CB576 - Chimney Joint Band
38
Inside
Diameter
11 in.
(279 mm)
Outside
Diameter
13 in.
(330 mm)
24 in.
(610 mm)
2 in.
(51 mm)
Heatilator • ST42A • 35038 Rev G • 02/05
A
B
17 in. (432 mm)
Firestop Spacer
Catalog # A
FS538 0-deg. 17 in.
FS540 30-deg. 26 in.
15-1/4 in.
(387 mm)
29 in.
(737 mm)
RF570 - Roof Flashing
15-1/4 in.
(387 mm)
39-7/8 in.
(1013 mm)
RF571 - Roof Flashing
B
432 mm
660 mm
25-1/4 in.
(641 mm)
28 in.
(711 mm)