Termination Clearances (Sidewall) - American Water Heater Powerflex Installation And Operating Manual

TERMINATION CLEARANCES (SIDEWALL)

D
E
V
B
V
L
Figure 20
Vent terminal clearances for "Power Direct Vent"
installations.
Clearance above grade, veranda,
A
porch, deck or balcony
Clearance to window or door that may
B
be opened
Clearance to permanently closed
C
window
Vertical clearance to ventilated soffi t
located above the terminal within
D
a horizontal distance of 2' from the
center line of the terminal
E Clearance to unventilated soffi t
F Clearance to outside corner
G Clearance to inside corner
In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code.
† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both
dwellings.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the fl oor.
* Clearance in accordance with local installation codes and the requirements of the gas supplier and the manufacturer's installation instructions.
26
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
12"
4' below or to side
of opening; 1' above
opening
12"*
12"*
12"*
2'*
18"*
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V
Vent terminal
X Air supply inlet
Area where is not permitted
B
B
V
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
Clearance to each side of center
H line extended above meter/regulator
assembly
Clearance to service regulator vent
I
outlet
Clearance to a non mechanical
air supply inlet into building or
J
combustion air inlet to any other
appliance
Clearance to a mechanical air supply
K
inlet
Clearance above paved sidewalk or
L paved driveway located on public
property
Clearance under veranda, porch,
M
deck, or balcony
I M
X
V
K
Gas meter / regulator
N/A
3'*
4' below or to side of
opening; 1 foot above
opening.
3' above if within 10'
horizontally
7'†
12"‡
328767-001