Rheem GHE100-130 Use & Care Manual page 21

NOTICE: Position termination where vent vapors
will not damage plants/shrubs or air conditioning
equipment.
NOTICE: Position termination where vent vapors will
not be adversely affected by wind condition.
NOTICE: Position termination where it will not
be damaged or be subjected to foreign objects.
Position termination where vapors will not be
objectionable.
Cut the recommended 5" diameter hole.
Partially assembled vent kit.
a. Cement Y concentric fitting to larger diameter kit pipe. (See Figure
14).
b. Cement rain cap to smaller diameter kit pipe. (See Figure 16).
Figure 17. Concentric Vent Side Wall Attachment
Strap (Field Supplied)
Elbow (Field Supplied)
Combustion Air
Support Strap (Every 3' Min.)
All joints must be sealed with PVC Cement
NOTICE: Strap must be field installed
to prevent movement of vent terminal in
wall.
installation
Vent
36" Min.
21
Install concentric Y fitting and pipe assembly through the structure's hole
and field-supplied roof boot/flashing. Do not allow insulation or other
materials to accumulate inside pipe assembly when installing through
the hole.
Install rain cap and small diameter pipe assembly in concentric Y fitting
and large pipe assembly. Ensure small diameter pipe is cemented and
bottomed in concentric Y fitting.
Secure assembly to structure as shown in Figure 17. Ensure clearances
as shown in Figure 17.
Cement heater combustion-air and vent pipes to concentric Y fitting ter-
mination assembly.
Operate heater through one cycle to ensure combustion-air and vent pipes
are properly connected and sealed to concentric vent termination con-
nections.
12" Minimum
1" Max.
36" Min.
Roof Overhang
Vent
Combustion Air
Maintain 12" Clearance
above highest anticipated
snow level or grade which-
ever is greater.