Installation Instructions

Installation Manual
Page
17
Installation - Venting
-Vent termination clearances-
* For clearances not specied in ANSI Z223.1/NFPA 54 or CAN/CSA-B149.1, please use clear-
ances in accordance with local installation codes and the requirements of the gas supplier.
Canada U.S.A
Direct-vent and other
than Direct-vent
Direct
- Vent
Other than
Direct -Vent
A
Clearance above grade, veranda, porch, deck, or
balcony.
1 foot 1 foot 1 foot
B
Clearance to window or door that may be opened 3 foot 1 foot
4 feet from below or
side opening. 1 foot
from above opening
C
Clearance to permanently closed window * * *
D
Vertical clearance to ventilated soft located above the
vent terminator within a horizontal distance of 2 feet
(61 cm) from the center line of the terminator
* * *
E
Clearance to unventilated soft * * *
F
Clearance to outside corner * * *
G
Clearance to inside corner * * *
H
Clearance to each side of center line extended above
meter/regulator assembly
3 feet * *
I
Clearance to service regulator vent outlet 3 feet * *
J
Clearance to non-mechanical air supply inlet to build-
ing or the combustion air inlet to any other application
3 feet 1 foot
4 feet from below or
side opening. 1 foot
from above opening
K
Clearance to mechanical air supply inlet 6 feet 3 feet 3 feet
L
Clearance above paved sidewalk or paved driveway
located on public property
7 feet * 7 feet
M
Clearance under veranda, porch deck, or balcony 1 foot * *
INSIDE CORNER DETAIL
V
Gas meter / regulator
V
V
V
V
V
V
V
V
V
X
X
X
Vent terminal
Air supply inlet
G
A
E
D
B
L
C
F
B
B
B
B
A
J
O
PERABLE
FIXED
CLO
SED
B
H
M
K
O
PERABLE
FIXED
CLO
SED
I