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Installation, B. vertical (through-the-roof) installations – Montigo ME38 ODV User Manual

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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.