Heatilator • CST42A • 4012-012 Rev J • 08/06
39
SL430 - Offset/Return
A
B
17 in. (432 mm)
Ceiling Firestop
24 in.
(610 mm)
17 in.
(432 mm)
AS10 - Straight Attic Insulation Shield
2 in.
(51 mm)
13 in.
(330 mm)
JB577 - Chimney Joint Band
13 in.
(330 mm)
CB576 - Chimney Joint Band
15-1/4 in.
(387 mm)
28 in.
(711 mm)
39-7/8 in.
(1013 mm)
RF571 - Roof Flashing
29 in.
(737 mm)
15-1/4 in.
(387 mm)
25-1/4 in.
(641 mm)
RF570 - Roof Flashing
21 in.
(533 mm)
Inside
Diameter
11 in.
(279 mm)
Outside
Diameter
13 in.
(330 mm)
Catalog #
A
B
FS538
0-deg.
17 in.
432 mm
FS540
30-deg.
26 in.
660 mm