2
7
1
2
0
vo
l
t
potent
i
a
l
e
x
posu
r
e
. I
so
l
ate
the
app
l
i
ance
and
r
econf
ir
m
powe
r
i
s
d
i
sconnected
us
i
ng
a
mu
l
t
i
-
mete
r
.
W
A
R
NIN
G
Ser
vi
ce
Proce
du
re
I
V:
G
as
V
alv
e
Re
pla
ce
m
e
nt
G
as
V
alv
e
Re
pla
ce
m
e
nt
Proce
du
re
Step
1
.
Position
main
power
switch
to
“O
FF
”
.
Step
2.
Disconnect
(unp
l
ug)
water
heater
from
1
2
0
vo
l
t
power
source
.
Step
3
.
Turn
off
gas
supp
l
y
to
water
heater
.
Step
4.
Un
-l
atch
&
remove
surround
cover
from
top
of
heater
.
Step
5
. F
rom
the
gas
va
l
ve,
disconnect
the
gas
connection,
PVC
venting,
wire
harness
and
si
l
icone
tubing
.
Step
6
.
Remove
the
2
to
3
gas
va
l
ve
mounting
screws
(Torx
bit)
l
ocated
as
shown
be
l
ow
on
the
venturi
mounting
f
l
ange
and
remove
gas
va
l
ve
from
water
heater
.
Step
7
.
Remove
any
residua
l
gasket
materia
l
from
b
l
ower
and
venturi
mounting
f
l
ange
.
Step
8
. I
nsta
ll
new
gas
va
l
ve
with
new
gasket
provided
.
Secure
gas
va
l
ve
in
p
l
ace
using
screws
from
step
6
.
Step
9
.
Reconnect
PVC
intake
venting,
gas
supp
l
y,
si
l
icone
tubing
&
wire
harness
to
gas
va
l
ve
.
Turn
on
gas
supp
l
y
to
heater
and
check
for
gas
l
eaks,
repair
any
gas
l
eaks
found
.
Step
10
.
Restore
1
2
0
vo
l
t
power
supp
l
y
to
water
heater
and
confirm
proper
operation
fo
ll
owing
the
l
ighting
instructions
on
the
l
ighting
instruction
l
abe
l
or
the
l
ighting
instruction
l
ocated
in
the
insta
ll
ation
and
operating
instruction
manua
l.
Step
11
.
Rep
l
ace
surround
cover
on
top
of
water
heater
.
27
