Installation, B. vertical (through-the-roof) installations – Montigo ME34-DV2 User Manual
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Page
Part No. XG0105B
ME34-DV-2 Homefire
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 30 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
30' max.
30' 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
30' max.