U TT
W
SERVI
C
E PRO
C
EDURE
V
Blower Testing and
R
eplacement
S
t
e
p 1.
Position gas control power switch to the “OFF”
po
s
i
t
ion
a
nd unplug h
ea
t
e
r
f
r
om w
a
ll ou
t
l
e
t
.
S
t
e
p
2
.
Di
s
conn
e
c
t
v
e
n
t s
y
st
e
m f
r
om
e
xh
a
u
st
a
d
a
p
t
e
r
on
t
op of blow
e
r
.
S
t
e
p 3.
R
e
mov
e e
xh
a
u
st
a
d
a
p
t
e
r
f
r
om blow
e
r
(bl
a
d
e
s
c
r
e
w d
r
iv
e
r
)
a
nd
r
e
t
a
in fo
r
u
s
e
on n
e
w blow
e
r
.
S
t
e
p 4.
U
nplug co
r
d
s
e
ts
f
r
om blow
e
r
.
S
t
e
p 5.
R
e
mov
e
t
h
e
t
h
r
ee
blow
e
r
moun
t
ing
s
c
r
e
w
s
(¼" nu
t
d
r
iv
e
r
).
S
t
e
p 6.
R
e
mov
e
blow
e
r
wi
t
h g
a
s
k
e
t
f
r
om w
a
t
e
r
h
ea
t
e
r
.
Blower
Mountin
g
Screws
Blower
Cord
Sets
S
t
e
p 7.
Cl
ea
n
a
ny d
e
b
r
i
s
f
r
om j
a
ck
e
t
h
ea
d of w
a
t
e
r
h
ea
t
e
r
.
S
t
e
p 8.
S
e
t
n
e
w blow
e
r
wi
t
h g
a
s
k
e
t
in pl
a
c
e
u
s
ing loc
a
t
ing pin
s
on
blow
e
r
fl
a
ng
e
t
o lin
e
up wi
t
h loc
a
t
ion hol
e
s
in j
a
ck
e
t
h
ea
d.
B
e
s
u
r
e
no
t t
o d
a
m
a
g
e
g
a
s
k
e
t
.
S
t
e
p 9.
S
e
cu
r
e
blow
e
r
in pl
a
c
e
u
s
ing moun
t
ing
s
c
r
e
w
s
f
r
om
st
e
p 6.
S
t
e
p 10.
R
e
-in
st
a
ll
e
xh
a
u
st
a
d
a
p
t
e
r
f
r
om
st
e
p 4.
S
t
e
p 11.
R
e
conn
e
c
t
v
e
n
t s
y
st
e
m
t
o
e
xh
a
u
st
a
d
a
p
t
e
r
.
S
t
e
p 1
2
.
R
e
conn
e
c
t
co
r
d
s
e
ts
f
r
om
st
e
p 5.
S
t
e
p 13.
Plug blow
e
r
pow
e
r
co
r
d in
t
o w
a
ll ou
t
l
e
t
.
S
t
e
p 14.
Position gas control power switch to the “ON” position
.
S
t
e
p 15.
V
e
r
ify p
r
op
e
r
blow
e
r
op
e
r
a
t
ion.
Locatin
g P
ins
on
blower
flan
g
e
P
in
location
holes
in
jacket
head
Remove
exhaust
adapter
and
retain
for
use
on
new
blower.
Blower Removal
Blower Installation
P
a
g
e
23
Gas
Control
shown
in
the
“OFF”
position
R
23