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Condensation
Whenever the water heater is filled with cold water, some
condensate wil! form while the burner is on. A water heater
may appear to be leaking when in fact the water is condensation.
This usually happens when:
• A new water heater is filled with cold water for the first time.
Burning gas produces water vapor In water heaters,
particularly high efficiency models where flue temperatures
are lower.
Large amounts of hot water are used in a short time and the
refill water in the tank is very cold.
Moisture from the products of combustion condense on the
cooler tank surfaces and form drops of water which may fall
onto the burner or other hot surfaces to produce a "sizzling" or
'frying" noise.
Excessive condensation can cause pilot outage due to water
running down the flue tube onto the main burner and putting
out the pilot.
Because of the suddenness and amount of water,
condensation water may be diagnosed as a 'tank leak'L After
the water in the tank warms up (about 1-2 hours), the condition
should disappear.
Do not assume the water heater is leaking until there has
been enough time for the water in the tank to warm up.
An undersized water heater will cause more condensation.
The water heater must be sized properly to meet the family's
demands for hot water including dishwashers, washing
machines and shower heads.
from hydrogen sulfide gas dissolved in the waten The smell is
the result of four factors which must al! be present for the odor
to develop:
* a concentration of sulfate in the supply water.
little or no dissolved oxygen in the water.
a sulfate reducing bacteria within the water heater. (This
harmless bacteria is nomtoxic to humans.)
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 al!
hot water lines. Contact Sears Service for further information
concerning an 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, it may be necessary to chlorinate or
aerate your water supply to eliminate the 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
'}. •
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Explosion Hazard
, Flammable hydrogen
gases may be present.
Keep all ignition sources
away from faucet when
turning on hot water
Excessive condensation may be noticed during the winter and
early spring months when incoming water temperatures are at
their lowest.
Good venting is essential for a gas fired water heater to operate
properly as well as to carry away products of combustion and
water vapor.
Smoke Odor
It is not uncommon to experience a small amount of smoke
and odor during the initial start-up. This is due to burning off of
oil from metal parts, and will disappear in a short while.
Operational Conditions
Smelly Odor
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 waten The most common complaint associated with the
anode rod is one of a 'rotten egg smell". This odor is derived
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
flammable 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 flame
near the faucet at the time it is open.
High Temperature Shut-Off System
This water heater is equipped with an automatic gas shutoff
system. This system works when high water temperatures
are present. Turn 'OFF" the entire gas supply to the water
heater. The high temperature shutoff is built into the gas contro!
valve. It is nomresettable. If the high temperature shutoff
activates, the gas control valve must be replaced. Contact your
gas supplier.
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