Installation
900004-01, 04/2015
Innovative Hearth Products
Astria™ Aries Direct-Vent Gas Fireplaces
17
Table 11: Fireplace Framing Specifications
Model
A *
B
C
D
E
Vent Framing—Top Vent
with One 90° Elbow
NOTE: Dimension “D” is the
required framing depth when
the finish material (drywall)
thickness is 1/2” (13mm).
Inches (millimeters)
Framing
construction to be
2 x 4, or larger.
B
C
D
A
1/2 A
5 1/8
(130)
7 (178)
12 1/8
(308)
10 1/2
(267)
E
Aries 33 /
Aries CD 33
33 3/4
857
34 1/4
870
36 7/8
930
14 1/2
368
19 5/8
499
Aries 35 /
Aries CD 35
35 3/8
899
36 1/4
921
38 3/4
984
18
447
23 3/8
594
Aries 40 /
Aries CD 40
40 3/8
1026
41 1/4
1048
43 3/4
1111
18
447
28 1/4
717
Aries 45 /
Aries CD 45
45 3/8
1153
41 1/4
1048
43 3/4
1111
18
447
28 1/4
717
C = Minimum height of top vent installations
E = Minimum height of rear vent installations
* Minimum opening size; additional 1/8” per side is recommended.
NOTE: Framing specifications do NOT apply for flexible venting.
When using flexible venting, refer to the kit requirements for
framing specifications.
NOTE: See Page 28 concerning use of compact terminations on
rear-vent 45” Models.
Table 12: Fireplace Framing Specifications—Corner Installation with Horizontal Termination
Model
A
B
C
D
E
F
G
B
A
C
Inches
(millimeters)
D
E
Back wall of chase/enclosure (including finishing materials
7
(178)
Aries/
CD33
33 3/4
857
51 1/4
1302
36 1/4
921
25 5/8
651
12 1/8
308
5 1/2
140
14 1/2
368
Aries/
CD35
35 3/8
899
59 1/2
1511
42 1/16
1068
30 1/4
768
14 1/4
362
6 5/8
168
18
457
Aries/
CD40
40 3/8
126
63 13/16
1621
45 11/32
1152
33 3/16
818
15 7/8
403
8 1/2
216
18
457
Aries/
CD45
45 3/8
1153
70 3/8
1788
49 3/4
1264
35 1/4
895
17 1/2
445
10 1/4
260
18
457
Table 13: Fireplace Specifications
NOTE: When finishing the area around the hood, 5/8” clearance above hood is required for hood installation.
Top View
Front View
Left Side View
Right Side View
E
F
G
H
J
K
L
M
Blower
access panel
Hood
Junction
box access
Gas line
access
N
O
Model
E
F
G
H (door)
J
K
L
M
N
O
Aries 33 / Aries CD 33 30 1/8 (765) 26 1/4 (667) 18 5/16 (465) 30 1/2 (775)
33 5/8 (854) 21 7/8 (556) 10 15/16 (278)
31 (787)
8 1/2 (216)
14 (356)
Aries 35 / Aries CD 35 32 1/8 (816) 28 3/4 (730) 22 1/4 (565) 32 3/8 (822)
35 1/4 (895)
25 (635)
12 1/2 (317)
32 7/8 (835)
10 1/16 (256)
17 (432)
Aries 40 / Aries CD 40 37 1/8 (943) 33 1/4 (845) 27 1/4 (692) 37 3/8 (949)
40 1/4 (1022)
30 (762)
15 (381)
37 7/8 (962)
10 1/16 (256)
17 (432)
Aries 45 / Aries CD 45 37 1/8 (943) 33 1/4 (875) 27 1/4 (692) 42 3/8 (1076) 45 1/4 (1149)
35 (889)
17 1/2 (445)
42 7/8 (1089) 10 1/16 (256)
17 (432)
G
