Water Heater Installation Manual

15 Page
Installaon
Installaon Manual
-Clearances for sidewall terminaons-
Multiple Sidewall Terminations
An exhaust termination must be at least
1 ft (305 mm) away from another exhaust
termination. An exhaust termination must
also be at least 2 ft (610 mm) away from an
inside corner. (If the adjacent wall is less than
2 ft (610 mm) of length, the minimum required
distance away from the inside corner will be
equal to the length of that adjacent wall.)
Multiple DV Sidewall Terminations
A direct vent (DV) termination must be at least
1 ft (305 mm) away from other direct vent
terminations.
A direct vent termination must also be at least
2 ft (610 mm) away from an inside corner. (If
the adjacent wall is less than 2 ft (610 mm) of
length, the minimum required distance away
from the inside corner will be equal to the
length of that adjacent wall.)
Ancipated Snow level
Exhaust
Terminaon
2 
(610 mm)
min.
1 
(305 mm)
min.
1 
(305 mm)
min.
Inside
corner
Inside
corner
Ancipated Snow level
2 
(610 mm)
min.
1 
(305 mm)
min.
1 
(305 mm)
min.
Combined
intake and
exhaust
terminaon
For direct vent sidewall
terminations that use two
separate penetrations for the
intake and exhaust, keep the
termination clearances shown in
the diagrams on the right.
X3™ CARTRIDGE is not shown.
Improper installation can result in carbon monoxide poisoning or death. Follow all local and
national codes in regards to proper termination clearances. In the absence of such codes, the
clearances below can be used as guidelines. Local codes supersede these guidelines.
WARNING
1 ft (305 mm) min.
0.5 ft
(159 mm) min.
Exhaust
Intake
Exhaust
Intake
<Case 2>
1 ft (305 mm)
min.
0.5 ft
(159 mm) min.
Exhaust
Intake
Exhaust
Intake
<Case 1>
Exhaust
termination
2 ft (610 mm)
min.
Exhaust and/or direct
vent sidewall terminations
should be at least 2 ft
(610 mm) away from an
opposite surface/wall. Do
not place the termination
directly in front of an
opening into a building.