12
Vertical Termination
24"
D
E
V
Inside corner detail
G 
V
A
Vertical
Termination
24"
18"
V
EXTERIOR
INSTALLATION
Regency P121-
B
V
M
.
C
| V | Fixed |
|
| Closed |
F | V | Openable |
B
V
Openable
B
Fixed Closed
| H |
V |
|
B | N |
|
L
VENT
1/P121LC
B
B
V | K | A |
| j | |
|
| |
| A |
|
V
A
V
Vent terminal
A | Air supply outlet |
| Area where terminal is not permited |
|
|
|
|
A= Clearance above grade, veranda, porch, deck, or balcony *(min. 12"/30cm) B= Clearance to window or door that may be opened *(12"/30cm)
C= Clearance to permanently closed window *(min. 12"/30cm)
D= Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of (24"/60cm) from the centerline of the terminal (min. 18"/46cm) check with local code.
E= Clearance to unventilated soffit (min. 20"/51cm)
F= Clearance to outside corner: with AstroCap Termination Cap (min 6"/15cm), with Dura- Vent Termination Cap (14"/36cm)
G= Clearance to inside corner: with AstroCap Termination Cap (min 6"/15cm), with Dura- Vent Termination Cap (12"/30cm)
H= Not to be installed above a meter/regulator assembly within (3'/90cm) horizontally from the centerline of the regulator.
J= Clearance to service regulator vent outlet *(min 36"/90cm)
K= Clearance to
L= Clearance to a mechanical air supply inlet *(min. 72"/1.8m)
M= Clearance above paved sidewalk or a paved driveway located on public property *(min. 84"/2.1m)
N= Clearance under veranda, porch, deck, or balcony *(min. 12"/30cm)
TERMINATION LOCATIONS
Gas Fireplace
Note:
-A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.
-Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
-If the vent termination is accessible, a certified guard shall be installed.
* As specified in CGA B149 Installation Code. Note: Local codes or regulations may require different clearances.
