33
S
park
gap
must
be
set
f
rom
3
/16
”
to
1/
4
"
. F
ai
l
ure
to
set
and
veri
f
y
proper
spark
gap
may
resu
l
t
in
a
de
l
ayed
ignition
resu
l
ting
in
damage
to
the
w
ater
heater
W
AR
NIN
G
1
2
0
vo
l
t
potentia
l
exposure
. I
so
l
ate
the
app
l
iance
and
recon
f
irm
po
w
er
is
disconnected
using
a
mu
l
ti
-
meter
.
W
AR
NIN
G
I
f
the
spark
rod
is
rep
l
aced
f
or
any
reason,
the
combustion
system
MU
S
T
be
removed
and
the
spark
gap
to
the
burner
measured
and
adjusted
proper
l
y
W
AR
NIN
G
Ser
vi
ce
Proce
du
re
V
II
:
S
pa
r
k
R
o
d
G
ap
A
d
j
ustm
e
nt and
R
e
pla
ce
m
e
nt
S
pa
r
k
R
o
d
R
e
pla
ce
m
e
nt
Proce
du
re
S
tep
1
.
P
osition
main
po
w
er
s
w
itch
to
“
O
FF
”
S
tep
2.
Disconnect
(
unp
l
ug
)
w
ater
heater
f
rom
1
2
0
vo
l
t
po
w
er
source
.
S
tep
3
.
Un
-l
atch
&
remove
surround
cover
f
rom
top
o
f
heater
.
S
tep
4.
Disconnect
w
ire
l
ead
f
rom
spark
rod
.
S
tep
5
.
R
emove
the
2
mounting
scre
w
s
(
magnetic
tip,
l
ong
reach
P
hi
ll
ips
scre
w
driver
)
and
remove
spark
rod
&
gasket
f
rom
transition
base
f
l
ange
.
S
tep
6
.
R
emove
any
residua
l
gasket
materia
l
f
rom
transition
base
f
l
ange
.
S
tep
7
. I
nsta
ll
ne
w
spark
rod
w
ith
ne
w
gasket
provided
using
scre
w
s
f
rom
step
6
.
A
rrange
spark
rod
w
ith
hook
to
w
ards
burner
(
o
ff
-
center
mounting
ho
l
e
to
w
ards
the
f
ront
o
f
the
w
ater
heater
)
.
S
tep
8
.
R
emove
combustion
system
f
o
ll
o
w
ing
“C
ombustion
S
ystem
R
emova
l
P
rocedure,
”
and
veri
f
y
spark
gap
f
o
ll
o
w
ing
“S
park
R
od
Gap
I
nspection
and
A
djustment
.
”
R
eassemb
l
e
combustion
system
f
o
ll
o
w
ing
“C
ombustion
S
ystem
R
ep
l
acement
P
rocedure
.
”
S
tep
9
.
R
estore
1
2
0
vo
l
t
po
w
er
supp
l
y
to
w
ater
heater
and
con
f
irm
proper
operation
f
o
ll
o
w
ing
the
l
ighting
instructions
on
the
l
ighting
instruction
l
abe
l
or
the
l
ighting
instructions
l
ocated
in
the
insta
ll
ation
and
operating
instruction
manua
l.
S
tep
1
0
.
R
ep
l
ace
surround
cover
on
top
o
f
w
ater
heater
.
S
park
R
od
33