Heatilator BIR42-B Installation Manual page 39

Inside
Diameter
11 in.
(279 mm)
21 in.
(533 mm)
SL1130 Offset/Return
Assembled
Diameter: 17 in./432 mm
Height: 24 in./610 mm
AS10 Straight Attic Insulation Shield
13 in.
(330 mm)
JB577 Chimney Joint Band
13 in.
(330 mm)
CB576 Chimney Bracket
Heatilator • Birmingham 36-B Installation Manual • 4059-709 • Rev AB • 06/23
Outside
Diameter
13 in.
(330 mm)
2 in.
(51 mm)
A
B 17 in. (432 mm)
Catalog # A
FS538 0-deg.
FS540 30-deg.
15-1/4 in.
(387 mm)
29 in.
(737 mm)
RF570 Roof Flashing
15-1/4in.
(387 mm)
39-7/8 in.
(1013 mm)
RF571 Roof Flashing
B
17 in. 432 mm
26 in. 660 mm
25-1/4 in.
(641 mm)
28 in.
(711 mm)
39