Rheem GHE119SS - Page 20

20
Figure 14. Typical Vertical Direct Vent System Installation
Installation
Combustion Air-Inlet
Terminal
Combustion Air-Inlet
Terminal
Exhaust Vent
Terminal
Exhaust Vent
Terminal
-B-
-A-
-B-
d .008
d .010
"D"
Min. 18 in. (46 cm) above Roof
Min. 12 in. (30.5 cm) above anticipated
snow level
Max. 24 in. (61 cm) above roof without
additional support)
Terminals with
1/2 in. (1.3
cm) Mesh
Protective
Screen
Elbow
Short Piece of Pipe
"D"
Combustion Air-Inlet
"D"
Alternate vertical venting with ex-
haust vent turned down - preferred
for cold climates.
Terminals spacing for horizontal or vertical venting.
Exhaust Vent
24" (61 CM) Min
(Support required).
90° Intake Terminal
Support Bracket
Water Heater
Floor
Straight Exhaust Terminal
"D"
NOTE:
For Model GHE119SU-500(A) If vent terminal are on the same
plane, use a 90° termincal on Exhaust Vent Terminal and 45°
terminal on Air-Inlet Terminal.
24 in. (61 cm) Min.
24 in. (61 cm) Min.
C
L
C
L
C
L
C
L