Superior DRT3535 Series Installation And Operation Instructions Manual page 18

Innovative Hearth Products
Superior DRT/DRC3500 Series Direct-Vent Gas Fireplaces
TM
Table 10: Fireplace Framing Specifications
Model A *
35 3/8
35" Models
(899)
40 3/8
40" Models
(1026)
45 3/8
45" Models
(1153)
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.
Table 11: Fireplace Framing Specifications—Corner Installation with Horizontal Termination
Model A
35 3/8 59 1/2
35"
(899) (1511)
40 3/8 63 13/16
40"
(1026) (1621)
45 3/8 70 3/8
45"
(1153) (1788)
Table 12: Fireplace Specifications
F
G
Top View
Model A
35" Models 32 1/8 (816)
40" Models 37 1/8 (943)
45"Models 37 1/8 (943)
18
B C
36 1/4 38 3/4
(895) (984)
41 1/4 43 3/4
(1022) (1111)
41 1/4 43 3/4
(1022) (1111)
B C D
42 1/16 30 1/4
(1068) (768)
45 11/32 33 3/16
(1152) (818)
49 3/4 35 1/4
(1264) (895)
NOTE: When finishing the area around the hood, 5/8" clearance above hood is required for hood installation.
I
A D
K
B C D (door)
28 3/4 (730) 22 1/4 (565) 32 3/8 (822)
33 1/4 (845) 27 1/4 (692) 37 3/8 (949)
33 1/4 (845) 27 1/4 (692) 42 3/8 (1076)
D E
NOTE: Dimension "D" is the
required framing depth when
18 23 3/8
(447) (594) the finish material (drywall)
thickness is 1/2" (13mm).
18 28 1/4
(447) (717)
Vent Framing—Top Vent
with One 90° Elbow
18 28 1/4
(447) (717)
B
Inches (millimeters)
E F
*Front to rear with 1"
distance to wall
14 1/4 6 5/8
(362) (168)
15 7/8 8 1/2
(403) (216)
17 1/2 10 1/4
(445) (260)
Back wall of chase/enclosure (including finishing materials
E
C
B
Blower
access panel
H
Front View
E F
35 1/4 (895) 25 (635)
40 1/4 (1022) 30 (762)
45 1/4 (1149) 35 (889)
C
E
D
1/2 A
A
E
C
A
B
J
Hood
Junction
box access
Gas line
access
Left Side View
G H I
12 1/2 (317) 32 7/8 (835) 6 7/8 (175)
15 (381) 37 7/8 (962) 6 7/8 (175)
17 1/2 (445) 42 7/8 (1089) 6 7/8 (175)
Installation
900298-00, 10/2014
Framing
construction to be
10 1/2
2 x 4, or larger.
(267)
7 (178)
5 1/8
12 1/8
(130)
(308)
7
(178)
D
Inches
(millimeters)
K
Right Side View
J K
17 (432) 10 1/6 (256)
17 (432) 10 1/6 (256)
17 (432) 10 1/6 (256)