Kenmore THE ECONOMIZER 153.33206 User Manual download pdf (Page 26)

STRANGE SOUNDS

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.

OPERATIONAL CONDITIONS

SMELLY WATER

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

warranty.

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.

“AIR” IN HOT WATER FAUCETS

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.

HIGH WATER TEMPERATURE SHUT OFF SYSTEM

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.

SERVICE AND ADJUSTMENT

VENTING SYSTEM INSPECTION

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.

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.

BURNER OPERATION AND INSPECTION

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

BODILY INJURY, OR PROPERTY DAMAGE. Contact Sears Service

Center to replace a ﬂ ooded water heater. Do not attempt to repair the

unit! It must be replaced!

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Kenmore THE ECONOMIZER 153.33206 User Manual Page 26

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