14
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
DRT35PF
Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
Installation and Operation Instructions
900300-00, 01/2018
SPECIFICATIONS
Natural Gas BTU Input
30,000
Propane Gas BTU Input
28,000
Co-axial DV Vent Size
4-1/2" Inner /
7-1/2" Outer
NOTES
All specifications, ratings and dimensions are
subject to change without notice.
Appliance has a factory-installed vent seal cap
(see
Figures 16 and 17
on
Page 16
)
in each
flue outlet.
5-5/8
(143)
***38-3/4
(984)
37-3/16
(945)
**20-3/4
(527)
10-1/2
(267)
12-1/8
(308)
5-1/8
(130)
12-1/8
(308)
25-1/2
(648)
5-1/8
(130)
Vent Center - Top Vent
with one 90 degree
elbow
Vent Center - Side Vent
with no elbows
Secure Vent
42-3/4 (1086)
Secure Flex
43-1/2 (1105)
**This dimension
based on 5/8" drywall.
For 1/2" drywall use
21" (533 mm). The
finished dimension
should be 22" (558
mm)
• Inches (millimeters)
• Minimum Framing Stud Size is 2 x 4
• See side views of fireplace below for
gas line inlet location options.
Fireplace Framing Specifications
Center of gas line
is 3-1/8" (79 mm)
up from floor.
Notes:
***This dimension does
not include the addition
of drywall to the inside of
framing or clearance for
the
Side Vent Seal Cap
.
Adjust accordingly for your
installation.
See also,
Side Vent Seal Cap
note below.
Figure 14
Vertical Venting Through the Ceiling:
Frame ceiling opening
-
Use a plumb line
from the ceiling above the appliance to
locate center of the vertical run. Cut and/or
frame an opening, 10-1/2" x 10-1/2" (267
mm x 267 mm) inside dimensions, about
this center mark
(see Figure 20)
.
11 (279)
6-1/4
(159)
25-1/2
(648)
3-1/8 (79)
10-7/8 (264)
11 (279)
(16)
5/8
25-3/8 (645)
22 (559)
15-3/4 (400)
19-3/4 (502)
37-1/8
(943)
18-1/4
(465)
29-1/4
(743)
37-1/16
(941)
18-1/4
(464)
1-1/4
(44)
5
(127)
25-1/2
(648)
41-7/8 (1064)
40-1/4 (1022)
35-1/4 (895)
29 (737)
32-5/8 (829)
Left Side View
Front View
Junction Box Knock-Out
(2 places each side)
Control Compartment
Door
Gas
Inlet
Control Switch Wires
Knock-Out
Provide
additional
space for
Side Vent
Seal Cap
if
installing
against
a solid
wall.
Framing Spacers
(top and both sides)
Vent Seal Cap
Optional
Blower
Top View
