TERMINATION CLEARANCES (SIDEWALL)
D
E
V
B
V
L
Figure 19
Vent terminal clearances for "Power Direct Vent"
installations.
A
Clearance above grade,
veranda, porch, deck, or
balcony
B
Clearance to window or
door that may be opened
C
Clearance to permanently
closed window
D
Vertical clearance to
ventilated soffi t located
above the terminal within a
horizontal distance of 61cm
(2') from the center line of
the terminal
E
Clearance to unventilated
soffi t
F
Clearance to outside corner
G
Clearance to inside corner
H
Clearance to each side of
center line extended above
regulator
24
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R
R N E
E C O
I N S I D
I L
D E T A
G
V
C
D
F I X E
V
S E D
C L O
V
F
B
30cm (12")
15cm (6') for appliances ≤ 10,000
Btuh (3 kW),
30cm (12') for appliances > 10,000
Btuh (3 kW) and ≤ 100,000 Btuh
(30 kW), 91cm (36') for appliances
>100,000 Btuh (30 kW)
*
*
*
*
*
91cm (3') within a height
15' * above the regulator
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
V
L E
R A B
O P E
X
V
J
B
B
A
I
Clearance to service
regulator
J
Clearance to
nonmechanical air supply
inlet to building or the
combustion air inlet to any
other appliance
K
Clearance to a mechanical
air supply inlet
L
Clearance above paved
sidewalk or paved driveway
located on public property
M
Clearance under veranda,
porch deck, or balcony
†
A vent shall not terminate where it may cause hazardous frost or
ice accumulations on adjacent property surfaces.
‡
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."
www. gsw-wh .com
H
V
M
I
Gas regulator
91cm (3')
15cm (6') for appliances ≤ 10,000
Btuh (3 kW), 30cm (12') for
appliances > 10,000 Btuh (3 kW)
and ≤ 100,000 Btuh (30 kW), 91cm
(36") for appliances >100,000 Btuh
(30 kW)
1.83m (6')
2.13m (7') †
30cm (12') ‡
X
V
K
328765-000