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Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
SPECIFICATIONS
Natural Gas BTU Input
Propane Gas BTU Input
Co-axial DV Vent Size
NOTES
All specifications, ratings and dimensions are
subject to change without notice.
Appliance has a factory-installed vent seal
cap (see Figures 15 and 16 on Page 17) in
each flue outlet.
Control Switch Wires
Knock-Out
Gas
Inlet
3-1/8 (79)
6-1/4
(159)
Left Side View
Figure 12
14
Fireplace Framing Specifications
30,000
28,000
***This dimension does
not include the addition
4-1/2" Inner /
of drywall to the inside of
7-1/2" Outer
framing or clearance for
the Side Vent Seal Cap.
Adjust accordingly for your
installation.
See also, Side Vent Seal Cap
note below.
37-1/4"
37-3/16
(945)
(946)
Framing Spacers
(top and both sides)
11 (279)
1-1/4
(44)
37-1/16
37-1/8"
(941)
(943)
18-1/4
(464)
Junction Box Knock-Out
(2 places each side)
Vent Center - Top Vent
with one 90 degree
elbow
Center of gas line
***39-7/8
is 3-1/8" (79 mm)
up from floor.
(1013)
5-5/8
(143)
Top View
Optional
Blower
Vent Seal Cap
41-13/16 (1062)
41-7/8" (1064)
40-1/4 (1022)
35-1/4 (895)
29 (737)
32-5/8 (829)
Control Compartment
Front face view (two sides)
Installation and Operation Instructions
**20-3/4
(527)
10-1/2
(267)
12-1/8
(308)
5-1/8
(130)
Vent Center - Side Vent
with no elbows
12-1/8
(308)
10-7/8 (264)
Vertical Venting Through the Ceiling:
Frame ceiling opening - Use a plumb line
from the ceiling above the appliance to
11 (279)
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 19).
5/8
(16)
5"
4-15/16
(127)
(125)
Provide
additional
space for
Side Vent
Seal Cap if
installing
Control Switch Wires
against
a solid
Knock-Out
wall.
25-1/2
(648)
3-1/8 (79)
Right Side View
Door
900300-00, 01/2019
DRT35ST
**This dimension
based on 5/8" drywall.
For 1/2" drywall use
21" (533 mm). The
finished dimension
should be 22" (558
mm)
Secure Vent
®
42-3/4 (1086)
Secure Flex
®
43-1/2 (1105)
5-1/8
(130)
25-1/2
(648)
11 (279)
25-1/2
Gas
(648)
Inlet
6-1/4
(159)
Junction Box Knock-Out
(2 places each side)
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