Installation
900004-00, 03/2018
Innovative Hearth Products
DRT2000 and DRC2000 Direct-Vent 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
33” Models
33-3/4”
857 mm
34-1/4”
870 mm
36-7/8”
930 mm
14-1/2”
368 mm
19-5/8”
499 mm
35” Models
35-3/8”
899 mm
36-1/4”
921 mm
38-3/4”
984 mm
18”
447 mm
23-3/8”
594 mm
40” Models
40-3/8”
1026 mm
41-1/4”
1048 mm
43-3/4”
1111 mm
18”
447 mm
28-1/4”
717 mm
45” Models
45-3/8”
1153 mm
41-1/4”
1048 mm
43-3/4”
1111 mm
18”
447 mm
28-1/4”
717 mm
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 30 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
33”
Models
33-3/4”
857 mm
51-1/4”
1302 mm
36-1/4”
921 mm
25-5/8”
651 mm
12-1/8”
308 mm
5-1/2”
140 mm
14-1/2”
368 mm
35”
Models
35-3/8”
899 mm
59-1/2”
1511 mm
42-1/8”
1070 mm
30-1/4”
768 mm
14-1/4”
362 mm
6-5/8”
168 mm
18”
457 mm
40”
Models
40-3/8”
126 mm
63-7/8”
1622 mm
45-3/8”
1153 mm
33-1/4”
845 mm
15-7/8”
403 mm
8-1/2”
216 mm
18”
457 mm
45”
Models
45-3/8”
1153 mm
70-3/8”
1788 mm
49-3/4”
1264 mm
35-1/4”
895 mm
17-1/2”
445 mm
10-1/4”
260 mm
18”
457 mm
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
33” Models
30-1/8 (765) 26-1/4 (667) 18-3/8 (467) 30-1/2 (775) 33-5/8 (854) 21-7/8 (556)
11 (279)
31 (787)
8-1/2 (216)
14 (356)
35” Models
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)
10-1/8 (257)
17 (432)
40” Models
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)
10-1/8 (257)
17 (432)
45” Models
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)
10-1/8 (257)
17 (432)
B
A
C
Inches
(millimeters)
D
E
F
G
Back wall of chase/enclosure (including finishing materials
7
(178)
Inches (millimeters)
