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Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16
40
A
B
14-1/2 in.
(368 mm)
Ceiling Firestop
AS8 Straight Attic Insulation Shield
10-1/2 in.
(267 mm)
CB876 Chimney Bracket
RF371 Roof Flashing
RF370 Roof Flashing
JB877 Chimney Joint Band
2 in. (51 mm)
10-1/2 in.
(267 mm)
24-5/8 in.
(625 mm)
27-3/8 in.
(695 mm)
12 in.
(305 mm)
31 in.
(787 mm)
24-5/8 in.
(625 mm)
12 in.
(305 mm)
SL315/SL330 Offset/Return
Inside
Diameter
8 in. (203 mm)
Outside
Diameter
10-1/2 in.
(267 mm)
Effective
Height
4-3/4 in.
(121 mm)
CT-3A-B
Catalog #
A
B
FS338
0-deg.
14-1/2 in.
368 mm
FS339
15-deg.
18-3/8 in.
467 mm
FS340
30-deg.
23 in.
584 mm
TR-TVK TR Top Vent Kit
Assembled
Diameter: 14 1/2 in./368 mm
Height: 24 in./610 mm