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Reference Materials
A. Fireplace Dimensions
23-3/8 in.
(594 mm)
8-1/8 in.
(206 mm)
A
10-1/2 in.
(267 mm)
dia.
6-1/2 in.
(165 mm)
37-3/4 in.
(959 mm)
C
8-3/4 in.
(222 mm)
D
22-3/4 in.
(578 mm)
B
4-1/4 in.
(108 mm)
9-5/8 in.
(244 mm)
8-5/8 in.
(219 mm)
13-1/2 in.
(343 mm)
Gas Knockout
Outside
Air
9-1/4 in.
(235 mm)
41-1/4 in.
(1048 mm)
(effective height)
7-1/2 in.
(191 mm)
13-1/2 in.
(343 mm)
4-1/4 in.
(108 mm)
9-1/4 in.
(235 mm)
41-3/8 in.
(1051 mm)
Gas Knockout
Junction
Box
3-7/8 in.
(92 mm)
Model # A B C D
A36
in. 36 42 28 1/4 14 1/8
mm 914 1067 718 359
A42
in. 42 48 30 7/8 15 1/2
mm 1067 1219 784 394
Heatilator • A36C & A42C • 28396 • Rev AG • 11/08