GMVC9 GCVC9 Installation Instructions

16
STRAIGHT
ELBOWS
Figure 14
F
l
o
o
r
Use alternate vent
& combination air locations
DOWN VENTING UPFLOW MODEL FURNACES ONLY
B
a
s
e
m
e
n
t
/
C
r
a
w
l
s
p
a
c
e
Condensate trapped
to prevent flue gas from escaping
and routed to field supplied
condensate disposal
Combustion Air Pipe
Vent Pipe
A
ll piping and fittings must be joined per material manufacturer’s specifications
to prevent separation and flue gas leaks.
Both Pipes Terminated
Outside Structure
1/4” per foot min. slope
6’ MAX.
Field Supplied
Drain Tee on Vent Pipe
Figure 12
COMBUSTION AIR INTAKE
(OPTIONAL)
*Not required for
single pipe installation
TEE (OPTIONAL)
9
6
”
M
A
X
.
-
3
”
M
I
N
.
R
O
O
F
L
I
N
E
12” MIN
HEIGHT DIFFERENCE
BETWEEN
INTAKE AND VENT
12” MIN TO ROOF OR HIGHEST
ANTICIPATED SNOW LEVEL
Figures 13