Rheem 90RS04EES Series, Installation Instructions Manual

Page: 14 / 60

14
FIGURE 7
CLEARANCE TO COMBUSTIBLES, DOWNFLOW UNITS
I393
D
O
W
N
F
L
O
W
M
O
D
E
L
S
M
IN
IM
U
M
C
L
E
A
R
A
N
C
E
(I
N
.)
L
E
F
T
R
IG
H
T
S
H
IP
A
B
C
D
E
F
S
ID
E
S
ID
E
B
A
C
K
T
O
P
F
R
O
N
T
V
E
N
T
W
G
T
S
4
5
1
7
1
⁄ 2
1
6
1
1
⁄ 3
2
1
5
5
⁄ 8
2
1
6
5
⁄ 8
1
3
7
⁄ 8
0
0
0
1
2
*
0
1
1
1
6
0
1
7
1
⁄ 2
1
6
1
1
⁄ 3
2
1
5
5
⁄ 8
2
1
6
5
⁄ 8
1
3
7
⁄ 8
0
0
0
1
2
*
0
1
1
7
7
5
1
7
1
⁄ 2
1
6
1
1
⁄ 3
2
1
5
5
⁄ 8
2
1
6
5
⁄ 8
1
3
7
⁄ 8
0
0
0
1
2
*
0
1
2
3
7
5
2
1
1
9
1
1
⁄ 3
2
1
9
3
⁄
1
6
2
2
0
1
⁄ 8
1
7
3
⁄ 8
0
0
0
1
2
*
0
1
2
3
9
0
2
1
1
9
1
1
⁄ 3
2
1
9
3
⁄
1
6
2
2
0
1
⁄ 8
1
7
3
⁄ 8
0
0
0
1
2
*
0
1
4
8
1
0
5
2
1
1
9
1
1
⁄ 3
2
1
9
3
⁄
1
6
2
2
0
1
⁄ 8
1
7
3
⁄ 8
0
0
0
1
2
*
0
1
5
2
1
2
0
2
4
1
⁄ 2
2
3
1
1
⁄ 3
2
2
2
5
⁄ 8
2
2
3
5
⁄ 8
2
0
7
⁄ 8
0
0
0
1
2
*
0
1
6
0
*
A
s
e
rv
ic
e
c
le
a
ra
n
c
e
o
f
a
t
le
a
s
t
2
4
in
c
h
e
s
is
re
c
o
m
m
e
n
d
e
d
in
fr
o
n
t
o
f
a
ll
fu
rn
a
c
e
s
.
N
O
T
E
:
R
X
G
Y
-H
0
1
is
re
q
u
ir
e
d
fo
r
le
ft
-h
a
n
d
a
lt
e
rn
a
te
c
o
n
d
e
n
s
a
te
d
ra
in
.
N
O
T
E
:
IN
D
O
W
N
F
L
O
W
C
O
N
F
IG
U
R
A
T
IO
N
,
O
P
T
IO
N
A
L
A
IR
C
U
T
O
U
T
IS
N
O
T
P
E
R
M
IT
T
E
D
.
S
U
P
P
L
Y
A
IR
R
E
T
U
R
N
A
IR
A
IR
F
L
O
W
2
D
IA
.
A
L
T
.
G
A
S
C
O
N
N
E
C
T
IO
N
2
5
1
3
⁄
1
6
4
3
⁄
8
2
D
IA
.
G
A
S
C
O
N
N
E
C
T
IO
N
T
O
N
S
2
2
.5
3 4
4
&
4
.5
4
.5
5
IN
P
U
T
k
B
tu