Installation Guide

15
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
INTAKE
SCREEN
OPTIONAL
12” MIN
HEIGHT DIFFERENCE
BETWEEN
INTAKE AND VENT
12” MIN TO ROOF OR HIGHEST
ANTICIPATED SNOW LEVEL
Figures 12
STRAIGHT
ELBOWS
Figure 13
F
l
o
o
r
Use alternate vent
& combination air locations
Field Supplied
Drain Tee on Vent Pipe
DOWN VENTING UPFLOW MODEL FURNACES ONLY
B
a
s
e
m
e
n
t
/
C
r
a
w
l
s
p
a
c
e
S
l
o
p
e
1
/
4
”
p
e
r
f
o
o
t
m
i
n
.
Condensate trapped
to previent flue gas from escaping
Combustion Air Pipe
Vent Pipe
To Field Supplied
Condensate Disposal
A
ll piping and fittings must be joined per material manufacturer’s specifications
to prevent separation and flue gas leaks.
Figure 11