Horizontal vent termination requirements, Vertical vent termination requirements, Installation – Avalon Firestyles Vashon-1998 to 1999 User Manual

Page 13

Advertising
background image

Installation

(for qualified installers only)

13

Travis Industries

9 3 5 0 8 1 0 2

0 9 1 0 0 2

Horizontal Vent Termination Requirements (see illustration below)

A

Minimum 12Ó (300 mm) clearance from any door or window

B

Minimum 12Ó (300 mm) above any grade, veranda, porch, deck or balcony

C

Minimum 12Ó (300 mm) from outside corner walls

D

Minimum 12Ó (300 mm) from inside corner walls

E

Minimum 12Ó clearance below unventilated soffits or roof surfaces
Minimum 18Ó clearance below ventilated soffits
NOTE: Vinyl surfaces require 24Ó

F

Minimum 18Ó (450 mm) clearance below a veranda, porch, deck or balcony (must have two open
sides)

G

Minimum 48Ó (1220 mm) clearance from any adjacent building

H

Minimum 84Ó (2130 mm) clearance above any grade when adjacent to public walkways or driveways
NOTE: may not be used over a walkway or driveway shared by an adjacent building

I

Minimum 48Ó (1220 mm) clearance from any mechanical air supply inlet, 72Ó (1820 mm) for Canada

J

Minimum 36Ó (910 mm) clearance above and 48Ó (1220 mm) below and to the sides of non-mechanical
air supply inlet

K

Minimum 36Ó (910 mm) from the area above the meter/regulator (vent outlet)

L

Minimum 36Ó (910 mm) from the meter/regulator (vent outlet)

C

B

H

E

G

A

D

F

L

K

J

I

NOTE: Measure clearances to the nearest edge of the exhaust hood.

A

E

¥

Use the vinyl siding standoff (#950) when installing on an exterior with vinyl siding.

¥

Vent termination must not be located where it will become plugged by snow or other material

¥

These clearances meet UMC-1994 and the CNA/CGA-B149 code standards

Vertical Vent Termination Requirements (see illustration below)

Roof Pitch
Flat to 6/12
6/12 to 8/12
8/12 to 9/12
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 or greater

Minimum Height*

1' (.3 M)*

1.5' (.45 M)*

2' (.6 M)

2.5' (.75 M)

3.25' (1 M)

4' (1.2 M)

5' (1.5 M

6' (1.8 M)

7' (2.15 M)

7.5' (2.25 M)

8' (2.45 M)

* In Canada the
vent termination
must be a
minimum 2' (.6 M)
tall and 2' (.6 M)
above any portion
of the roof within
10' (3 M) of the
vent.

Use the
chart to the
right to
determine
the required
vent
termination
height.

Height

Roof

Pitch

Use the vertical
termination (Part #991)

Advertising