Rheem GHE119SS Use & Care Manual page 16

Figure 10
V VENT TERMINAL
Horizontal Vent Terminal Location for Power Vent
The following information should be used for determining the proper location of the vent terminal for
direct vent water heaters.
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 soffit located
above the terminal within a horizontal dis-
tance of 2 feet (61 cm) from the center line of
the terminal.
E= Clearance to unventilated soffit.
F= Clearance to outside corner.
G= Clearance to inside corner.
H = Clearance to each side of center line extend-
ed meter/regulator assembly. above
I = Clearance to service regulator vent outlet.
J = Clearance to nonmechanical air supply inlet
to building or the combustion air inlet to any
other appliance..
K = Clearance to mechanical air supply inlet.
L = Clearance above paved side walk or paved
driveway located on public property.
M = Clearance under veranda, porch, deck or
balcony.
1 In accordance with current CAN/CSA-B149.1 Installation Codes.
2 In accordance with 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.
* "Clearance in accordance with local installation codes and the requirements of the gas supplier."
Installation
Inside
corner detail
Operable
Fixed
closed
Operable
X AIR SUPPLY INLET
Canadian Installations
12 inches (30 cm)
• 6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW),
• 12 in (30 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 100,000 Btuh (30 kW),
• 36 in (91 cm) for appliances > 100,000 Btuh
(30 kW)
0 in (0 cm)
12 in (30 cm)
12 in (30 cm)
24 in (61 cm)
18 in (46 cm)
3 feet (91 cm) within a height 15 feet (4.6 m)
3 feet (91 cm)
• 6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW),
• 12 in (30 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 100,000 Btuh (30 kW),
• 36 in (91 cm) for appliances > 100,000 Btuh
(30 kW)
6 feet (1.83 m)
7 feet (2.13 m)
12 in ( 30 cm)+
16
15 ft
Fixed
closed
Regulator vent outlet in the event no
regulator is present, H and I can be
disregarded.
AREA WHERE TERMINAL IS NOT PERMITTED
1
US Installations
12 inches (30 cm)
4 feet (1.2 m) below or to side of opening; 1 foot
(300 mm) above opening.
3 ft (91 cm) within a height of 15 ft (4.6 m)
4 feet (1.2 m) below or to side of opening; 1 foot
(300 mm) above opening.
3 feet (91 cm) above if within 10 feet (3 m) hori-
zontally.
2
0 in (0 cm)
12 in (30 cm)
12 in (30 cm)
24 in (61 cm)
18 in (46 cm)
3 feet (91 cm)
7 feet (2.13 m)
12 in ( 30 cm)+