14
MINIMUM AIR TERMINAL INSTALLATIONS
C | E |
Figure 8 | K |
|
J
D ABB FI
LG H
E
Illustration dimensions are to the center and the exhaust exit point of the vent.
CLEARANCE
A | 24 INCHES | Clearance above grade, veranda porch, deck or balcony. | |
(Including Vegetation and Mulch) | |||
|
| ||
|
|
| |
B | 48 INCHES | Clearance beside or below any windows or doors that open. | |
|
|
| |
| 12 INCHES* | Clearance above any window or door that opens. | |
|
|
| |
C | 18 INCHES | Vertical clearance to ventilated soffit located above the terminal within a horizontal | |
distance of 2 feet from the centerline of the terminal. | |||
|
| ||
|
|
| |
D | 0 INCHES | Clearance to an outside corner wall. | |
|
|
| |
E | 3 INCHES | Clearance to an inside combustible corner wall or protruding combustible ob- | |
structions ( vent chase, etc.). | |||
|
| ||
|
|
| |
F | 9 INCHES | Clearance to a | |
air inlet to any other appliance. | |||
|
| ||
|
|
| |
G | 3 FEET | Clearance to a mechanical air supply inlet. | |
|
|
| |
H | 7 FEET** | Clearance above a paved sidewalk or paved driveway located on public property. | |
|
|
| |
I | 12INCHES** | Clearance under a veranda, porch, deck or balcony. | |
|
|
| |
|
|
| |
J | 24 INCHES | Clearance above the roof. | |
|
|
| |
K | 2 FEET | Clearance from an adjacent wall including neighbouring buildings. | |
|
|
| |
|
|
| |
L | 3 FEET within a | Clearance to each side of center line extended above natural gas or porpane | |
| height of 15 FEET | meter/regulator assembly or mechanical vent. | |
| above the meter/ |
| |
| regulator assembly |
| |
|
|
|
*Recommended to prevent condensation on windows and thermal breakage
**This is a recommended distance. For additional requirements check local codes.