Removing And Replacing The Gas Control Valve/Thermostat; Housekeeping; Anode Rod Inspection - Kenmore 33094 - Power Miser 9 Owner's Manual

Ultra low nox gas water heater
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Removing
and Replacing
the Gas Control
Valve/Thermostat
IMPORTANT:
The gas control
valve/thermostat
is a standard
valve with a right-hand
thread
thermocouple.
Use only factory
authorized
replacement
parts.
Removing
the Gas Valve:
1.
Turn the gas control
knob on the combination
gas control
valve/thermostat
clockwise
to the "OFF" position.
NOTE:
Depress
the dial stop on Robertshaw
valves before turning
the gas control
knob. See Lighting
Instructions
on the water
heater.
2.
Turn off the gas at the manual
shut-off
valve
on the gas
supply
pipe (Figure
3).
3.
Drain the water
heater.
Refer to "Draining"
section
and
follow the procedure.
4.
Disconnect
the igniter wire from the igniter. NOTE:
First
remove
the igniter from the bracket
by depressing
front and
rear holding tabs and lift. Next remove
igniter bracket from
the gas valve.
Disconnect
the thermocouple
(right-hand
threads),
pilot tube, and manifold
tube at the gas control
valve/thermostat
(Figure 25).
5.
Refer to "Gas
Piping"
section
and disconnect
the ground
joint union in the gas piping.
Disconnect
the remaining
pipe from the gas control
valve/thermostat.
6.
To remove
the gas valve, thread
a correctly
sized pipe into
the inlet and use it to turn the gas valve (counterclockwise.)
Do not use pipe wrench
or equivalent
to grip body.
Damage
may result, causing
leaks.
Do not insert any sharp
objects
into the inlet or outlet connections.
Damage
to the
gas valve
may result.
Replacing
the Gas Valve:
To replace
the gas control
valve/thermostat,
reassemble
in reverse
order. When
replacing
the gas valve,
thread
a
correctly
sized
pipe into the inlet and use it to turn the gas
valve (clockwise.)
DO NOT OVER
TIGHTEN,
damage
may
result.
Be sure to use approved
Teflon e tape
or pipe joint
compound
on the gas piping connections
and fitting
on
the back of the gas control
valve that screws
into tank.
Be sure to remove
the pilot ferrule
nut from the new gas
control
valve/thermostat.
Turn the gas supply
on and check
for leaks.
Test all
connections
by brushing
on an approved
noncorrosive
leak-detection
solution.
Bubbles
will show a leak. Correct
any leak found.
Be sure tank is completely
filled with water before
lighting
and activating
the water heater.
Follow
the "Operating
Instructions"
If additional
information
is required,
contact
Sears Service
at: 1-800-4-MY-HOME
_"_ ( 1-800-469-4663).
®
TEFLON
is a registered trademark of E.I. Du Pont De Nemours and Company.
Housekeeping
Vacuum
around
base
of water
heater
for dust, dirt, and lint on
regular
basis.
Fire and E×,plosion Hazard
, Do not ebslruct
_yombustion
air
o_#ings
at the
bottom
of the
water heate_:
Do not use o{ store flammable
raper products such as gasoline,
solvents
or
adhesives
is the
_me
room or area _ear water
heater or other appliance
Visibly inspect flame arrestor a_
_eas_oa_
every sx m©nths and
cleae if accumulated _int
Can cause
sedous
injury
or
death
AT
LEAST
ONCE
EVERY
SIX
MONTHS
A VISUAL
iNSPECTION
SHOULD
BE
MADE
OF
THE
FLAME
ARRESTOR,
CLEAN
IF LINT
ACCUMULATIONS
ARE
NOTICED,
INSTALLED
IN SUITABLE
AREA:
To insure sufficient
ventilation
and combustion
air supply,
proper
clearances
from
the water
heater
must
be maintained.
See Facts
to Consider
About
the
Location
section.
Combustible
materials
such
as clothing,
cleaning
materials,
or flammable
liquids, etc. must not be placed
against
or adjacent
to the water
heater
because
they
could
catch on fire.
Anode Rod Inspection
Property
Damage
Hazard
- Avoid
water heater damage.
- Inspection
and replacement
of anode
red required.
The anode
rod is used to protect
the tank from corrosion.
Most
hot water tanks are equipped
with an anode
rod. The submerged
rod deteriorates
to protect the tank.
Instead
of corroding
the tank,
water
ions attack
and eat away
the anode
rod.
This does
not
affect the water's
taste or color.
The rod must be maintained
to
keep the tank in operating
condition.
Anode
deterioration
depends
on water
conductivity,
not
necessarily
water
condition.
A corroded
or pitted
anode
rod
indicates
high water
conductivity
and should
be checked
and/
or replaced
more often
than
an anode
rod that appears
to be
intact.
Replacement
of a depleted
anode
rod can
extend
the
life of your
water
heater.
Inspection
should
be conducted
by
calling
the Sears
Service
Center
for an authorized
contractor.
At a minimum,
the anode(s)
should
be checked
annually
after
the warranty
period.
24

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