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ME38-ODV-2 Homefire
Part No. XG0123
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
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.
Maximum vent height is 35 feet above fireplace.
Note: Flame characteristics will change if the maximum vent
height is used.
Minimum clearances 1" from vent to all combustible materials
must be maintained.
Figure 13.
Straight, vertical venting using
required MXT-10 adaptor.
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.
A - Termination
MVTK-1
B - Flex sections
MFL-1 (12" section)
MFL-2 (24" section)
MFL-3 (36" section)
MFL-4 (48" section)
C - Solid sections
MEXT-1 (12" section)
MEXT-2 (24" section)
MEXT-3 (36" section)
MEXT-4 (48" section)
D - Support Ring & Plate
MSPXT-8 (7" dia.)
E - Firestop
FS-7 (7" dia.)
F - Roof Flashing
MRF-7 (1/12 - 7/12 pitch)
MRF-12 (7/12 - 12/12 pt.)
MRF-16 (12/12 - 16/12 pt.)
Figure 14b.
Vertical venting with 2 offsets (1 offset= two
90° bends).
Figure 14a.
Vertical venting with 1 offset (1 offset= two
90° bends).
2' min.
2'
Storm collar
Roof flashing
30' max.
* Minimum 1" clearance to all combustibles
Support straps
or
support plate & ring
Firestop
Firestop
Firestop
Support plate
& ring
35' max.
35' max.
Top Vent
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
35' max.
