G
AS
C
ONTROL RE
P
L
AC
EMENT
Step 1. Rotate knob of the gas control
to the “OFF” position.
Step 2. Turn off gas supply to water heater.
Step 3. Disconnect gas supply line from
gas control.
Step 4. Turn off water supply and drain water heater completely.
Step 5. Remove outer jacket burner access door.
Step 6. Slide open inner combustion chamber door.
P
a
g
e
1
4
F
o
r
Wh
i
te
Rod
g
ers
g
as
contro
l
,
depress
knob
s
lig
ht
l
y
and
rotate
c
l
ockw
i
se
to
the
“O
FF
”
pos
i
t
i
on
.
F
or
Robertshaw
g
as
contro
l
,
rotate
knob
c
l
ockw
i
se
to
the
“O
FF
”
pos
i
t
i
on
.
Step 1.
Disconnect thermocouple from gas control.
Step 2.
Using a multimeter capable of measuring Ohms (or continuity),
attach one lead (alligator clip) to the pilot tube. Insert the other lead
(probe) fully into the magnet opening, Be sure the probe makes
contact only at the top center of the magnet opening. Do not allow
the probe to make contact with the threaded sides of the opening.
Step 3.
If continuity is indicated, the ECO is OK. If continuity is not indicated, the ECO has opened and the
gas control must be replaced.
E
C
O (E
ner
g
y
Cut
Off) TE
S
TING
S
ERVI
C
E
P
RO
C
E
D
URE
A
G-III
Gas
Contro
l
Test
i
n
g
and
Rep
l
acement
F
or
M
ode
l
s
us
i
n
g
Wh
i
te
Rod
g
ers
or
Robertshaw
Gas
Contro
l
Fig
ure
2
3
Fig
ure
24
Fig
ure
2
5
Fig
ure
2
6
14
