Rheem GHE100-130 Use & Care Manual page 14

Figure 8. Typical Vertical Direct Vent System Installation
NOTICE: Intake and exhaust terminals must be on
the same outside wall.
WATER HEATER
Through The Wall Venting With Low Ground Clearance:
When venting cannot exit through the wall at a height greater than or equal to 12" (30.5 cm) (and above expected snow level) from the ground, then the
installation must be modified as shown below (see Figure 9).
3" (97.6 CM) OR
4" (10.2 CM) PVC
Figure 9. Vent Terminal (Low Ground Clearance)
installation
STRAIGHT EXHAUST TERMINAL
SUPPORT BRACKET
FLOOR
90° INTAKE
TERMINAL
12" (30.5 CM)
MIN.
GROUND
LEVEL
1" (2.54 CM)
24" Min.
24" Above anticipated.
snow level.
3" 97.6 CM) OR
4" (10.2 CM) PVC
14
90° INTAKE TERMINAL
90° INTAKE
TERMINAL
12" (30.5 CM)
MIN.
GROUND
LEVEL
6" (15.2 CM)