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Innovative Hearth Products
DRT40 Multi-View Series Direct-Vent Gas Fireplace
Be aware that this is a heat producing ap-
pliance. Objects placed above the unit are
exposed to elevated temperatures.
Do not insulate the space between the ap-
pliance and the area above it (see Figure 8).
The minimum height from the base of the appli-
ance to the underside of combustible materials
used to construct a utility shelf in this fashion
is shown in Figure 8.
The appliance should be mounted on a fully
supported base extending the full width and
depth of the unit. The appliance may be located
on or near conventional construction materials.
However, if installed on combustible materials,
such as carpeting, vinyl tile, etc., a metal or
wood barrier covering the entire bottom surface
must be used.
VENT TERMINATION CLEARANCES
These instructions should be used as a
guideline and do not supersede local codes
in any way. Install venting according to local
codes, these instructions, the current National
Fuel Gas Code (ANSI-Z223.1) in the USA or
the current standards of CAN/CGA-B149.1
in Canada.
Vertical Vent Termination Clearances
Terminate multiple vent terminations according to
the installation codes listed above and Figures
4 and 5.
12"
(305mm)
Minimum
Figure 4 - Multiple Terminations
These appliances must not be connected to a
chimney or flue serving a separate solid fuel
burning appliance.
8
Vertical Vent Termination Clearances
TERMINATION HEIGHTS FOR VENTS ABOVE
FLAT OR SLOPED ROOFS
Horizontal Overhang
2 FT
MIN.
2 FT MIN.
Lowest
Discharge
Vent
Opening
Termination
H*
Storm Collar
12
Flashing
Roof Pitch is X/12
1 inch (26 mm) Minimum
Clearance to Combustibles
Concentric
*H = MINIMUM HEIGHT FROM ROOF TO
Vent Pipe
LOWEST DISCHARGE OPENING OF VENT
The vent / air intake termination clearances
above the high side of an angled roof is as
shown in the following chart:
Figure 5
Horizontal Vent Termination Clearances
The horizontal vent termination must have a minimum of 6" (152 mm) clearance to any overhead
combustible projection of 2-1/2" (64 mm) or less (see Figure 6). For projections exceeding 2-1/2"
(64 mm), see Figure 6. For additional vent location restrictions refer to Page 7.
Horizontal Vent Termination Clearances
Combustible Projection
2-1/2 inches or less in length
Combustible Projection greater
than 2-1/2 inches in length
Ventilated
Soffit
Unventilated
Soffit
18"
12"
(457 mm)
(305 mm)
Side Elevation View
Termination Kit
Figure 6
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Termination Heights For Vents
Above Flat Or Sloped Roofs
Ref. NFPA 54 / ANSI Z223.1
Roof Pitch
Vertical
Wall
Flat to 6/12
6/12 to 7/12
7/12 to 8/12
8/12 to 9/12
X
9/12 to 10/12
10/12 to 11/12
11/12 to 12/12
12/12 to 14/12
14/12 to 16/12
16/12 to 18/12
18/12 to 20/12
20/12 to 21/12
All horizontal terminations
may be located as close as
6" (152mm) to any
(non-combustible and
combustible) exterior
sidewall. This distance
may be decreased to 2"
(51mm) for non- -
6"
combustible exterior
(152 mm)
sidewalls only, if the
SV4.5HT-2 termination
is used.
NOTE: See Figure 42 on Page 22 for the exterior wall recess
allowances of the square horizontal termination.
Installation and Operation Instructions
900299-00, 05/2016
* Feet
* Meters
1.0
0.3
1.25
0.38
1.5
0.46
2.0
0.61
2.5
0.76
3.25
0.99
4.0
1.22
5.0
1.52
6.0
1.83
7.0
2.13
7.5
2.29
8.0
2.44
Termination Kit
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