Termination Clearances Sidewall Power Vent - A.O. Smith GPVX 75L Series Installation And Operating Manual

TERMINATION CLEARANCES SIDEWALL POWER VENT

Note: The following figure and table are intended to illustrate clearance requirements, and do not serve as a substitute
for locally adopted installation codes.
D
E
V
B
V
L
above grade, veranda, porch, deck
A
or balcony
to window or door that may be
B
opened
C to permanently closed window
Vertical clearance to ventilated soffit
located above the terminal within a
D
horizontal distance of 2 ft. from the
center line of the terminal
E to unventilated soffit
F to outside corner
G to inside corner
In accordance with the current "Natural Gas and Propane Installation Code" B149.1:
† 1. Where local experience indicates condensate is a problem with Category IV appliances, the vent shall not terminate:
•
over public walkways; or
•
near soffit vents or crawl space vents or other areas where condensate or vapor could create a nuisance or hazard or cause property
damage; or
•
where condensate vapor could cause damage or could be detrimental to the operation of regulators, relief valves or other equipment.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
A vent shall not terminate where it may cause hazardous frost or ice accumulation on adjacent property surfaces.
100271597
R
R N E
E C O
I N S I D
I L
D E T A
G
V
A
C
D
F I X E
V
S E D
C L O
V
F
B
Power Vent Terminal Clearances (uses room air for combustion)
300mm (12 in.)
300mm (12 in.)
0mm (0 in.)
300mm (12 in.)
300mm (12 in.)
610mm (24 in.)
450mm (18 in.)
V
VENT TERMINAL
X
AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
B
B
D
F I X E
S E D
C L O
L E
R A B
O P E
V
X
B
V
J
B
A
Figure 23
to each side of center line extended
H
above meter/regulator assembly
I to service regulator vent outlet
to a non mechanical air supply inlet
J into building or combustion air inlet
to any other appliance
K to a mechanical air supply inlet
above paved sidewalk or paved
L
driveway located on public property
under veranda, porch, deck, or
M
balcony
H
V
M
I
U L A T
R E G
E R /
M E T
G A S
910mm (36 in.)
horizontally from the
vertical center line of
the regulator vent outlet
to a maximum vertical
distance of 4.5m (15 ft.)
910mm (36 in.)
300mm (12 in.)
1.83m (6 ft.)
2.13m (7 ft.)†
300mm (12 in.)‡
X
V
K
O R
23