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Operational Conditions; Service And Adjustment; Venting System Inspection; Burner Operation And Inspection - Kenmore THE ECONOMIZER 153.33204 Owner's Manual

Power vented gas models with hot surface ignition.
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Possible noises due to expansion and contraction of some metal parts
during periods of heat-up and cool-down do not necessarily represent
harmful or dangerous conditions.
Condensation causes sizzling and popping within the burner area during
heating and cooling periods and should be considered normal. See
"Condensate" in this section.


In each water heater there is installed at least one anode rod (see parts
section) for corrosion protection of the tank. Certain water conditions
will cause a reaction between this rod and the water. The most common
complaint associated with the anode rod is one of a "rotten egg smell"
in the hot water. The smell is a result of four factors which must all be
present for the odor to develop:
a. A concentration of sulfate in the supply water.
b. Little or no dissolved oxygen in the water.
c. A sulfate reducing bacteria which has accumulated within the water
heater (this harmless bacteria is nontoxic to humans).
d. An excess of active hydrogen in the tank. This is caused by the
corrosion protective action of the anode.
Smelly water may be eliminated or reduced in some water heater models
by replacing the anode(s) with one of less active material, and then
chlorinating the water heater tank and all water lines. Contact Sears
Service Center for further information concerning Anode Replacement
Kit #9001453 and this chlorination treatment. Anode replacement and
chlorination of the tank are not covered by the water heater's limited
If the smelly water persists after the anode replacement and chlorination
treatment, we can only suggest that chlorination or aeration of the water
supply be considered to eliminate the water problem.
Do not remove the anode leaving the tank unprotected. By doing
so, all warranty on the water heater tank is voided.


At least once a year a visual inspection should be made of the venting
system. You should look for:
1. Obstructions which could cause improper venting. The combustion
and ventilation air fl ow must not be obstructed.


HYDROGEN GAS: Hydrogen gas can be produced in a hot water
system that has not been used for a long period of time (generally
two weeks or more). Hydrogen gas is extremely fl ammable and
explosive. To prevent the possibility of injury under these conditions,
we recommend the hot water faucet, located farthest away, be
opened for several minutes before any electrical appliances
which are connected to the hot water system are used (such as a
dishwasher or washing machine). If hydrogen gas is present, there
will probably be an unusual sound similar to air escaping through the
pipe as the hot water faucet is opened. There must be no smoking
or open fl ame near the faucet at the time it is open.
This water heater is equipped with an automatic gas shut-off system.
This system works when high water temperatures are present. Turn
"OFF" the entire gas supply to the water heater. The high temperature
shut-off is built into the gas control valve. It is non-resettable. If the
high temperature shut-off activates, the gas control valve must be
replaced. Contact your gas supplier or Sears Service Center.
2. Damage or deterioration which could cause improper venting or
leakage of combustion products.
Be sure the vent piping is properly connected to prevent escape of
dangerous fl ue gasses which could cause deadly asphyxiation.
Obstructions and deteriorated vent systems may present serious health
risk or asphyxiation.
Chemical vapor corrosion of the fl ue and vent system may occur if air
for combustion contains certain chemical vapors. Spray can propellants,
cleaning solvents, refrigerator and air conditioner refrigerants, swimming
pool chemicals, calcium and sodium chloride, waxes, bleach and process
chemicals are typical compounds which are potentially corrosive.
If after inspection of the vent system you found sooting or deterioration,
something is wrong. Call the local gas utility to correct the problem and
clean or replace the fl ue and venting before resuming operation of the
water heater.


Flood damage to a water heater may not be readily visible or immediately
detectable. However, over a period of time a fl ooded water heater will
create dangerous conditions which can cause DEATH, SERIOUS
Center to replace a fl ooded water heater. Do not attempt to repair the
unit! It must be replaced!


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