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C38-DV Gas Fireplace
Part No. XG0118C
Storm collar
Support ring
MEXT
Solid Section
Roof flashing
30' max.
* Minimum 1" clearance to all combustibles
Support plate
Firestop
Firestop
2' min.
MXT-10
Adaptor
MEXT
Flue
Collar
2' min.
Storm collar
Support ring
Roof flashing
30' max.
* Minimum 1" clearance to all combustibles
Support plate
Firestop
Installation
B. Vertical (Through-The-Roof) Installations
5/8" with option for 4/7"
n
Vertical rise >12' can be reduced
n
Vertical Terminations must be installed:
•
minimum 2' (two feet) above the highest point where
vent passes through the roof.
•
minimum 6' (six feet) from a mechanical air inlet
•
minimum 18" (1 1/2 feet) from a parapet wall.
n
Maximum vent height is 30 feet above fireplace.
Note: Flame characteristics will change if the maximum vent height
is used.
n
Minimum clearances 1" from vent to all combustible materials must
be maintained.
Figure 13.a
Straight, vertical venting using required adaptor.
n
A maximum of two offsets(each offset has two 90° bends) may be
made and shall not exceed total length of 25% of the vertical vent height,
when measured center to center of piping.
Example:
Typical vent installation.
20' vertical vent
2 - 2' offsets required
25% of 20' = 5' max. offset allowed
This venting configuration meets requirements.
Figure 14a.
Vertical venting with 1 offset (1 offset= two
90° bends).
30' max.
30' max.
Rigid Section
A
A.Male/Female
B.Female/Female
C.Male Flue Collar
B
C
Figure 13b.
Reducing Vertical Vent from 5/8" to 4/7".
Vent Restrictors
When venting vertically, Vent Restrictors may be added to enhance the
burn characteristics of the fireplace.
Part
Size
5"/8" Venting
4"/7" Venting
A - Termination
n/a
PVTK-1
MVTK-1
B - Flex sections
12" length
PFL-1
MFL-1
24" length
PFL-2
MFL-2
36" length
PFL-3
MFL-3
48" length
PFL-4
MFL-4
C - Solid sections
12" length
PEXT-1
MEXT-1
24" length
PEXT-2
MEXT-2
36" length
PEXT-3
MEXT-3
48" length
PEXT-4
MEXT-4
D - Support Ring
& Plate
PSPXT-8
MSPXT-7
E - Firestop
PS-8
FS-7
F - Roof Flashing
(1/12-7/12 pt.)
PRF-7
MRF-7
(7/12-12/12 pt.)
PRF-12
MRF-12
G - Adaptor/
(5"/8" to 4"/7")
PVA5487
Vent Reducer
