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• Anewwaterheaterisfilledwithcoldwaterforthefirsttime.
Burninggasproduceswatervaporin waterheaters,
particularlyhighefficiencymodelswherefluetemperatures
arelower.
Largeamountsofhotwaterareusedinashorttimeandthe
refillwaterinthetankisverycold.
Moisturefromtheproductsofcombustioncondenseonthe
coolertanksurfacesandformdropsofwaterwhichmayfall
ontotheburnerorotherhotsurfacestoproducea"sizzling"or
"frying"noise.
Excessivecondensationcancausepilotoutageduetowater
runningdownthefluetubeontothemainburnerandputtingout
thepilot.
Becauseof the suddennessand amountof water,
condensationwatermaybediagnosedasa"tankleak".After
thewaterinthetankwarmsup(about1-2hours),thecondition
shoulddisappear.
Donotassumethewaterheaterisleakinguntiltherehasbeen
enoughtimeforthewaterinthetanktowarmup.
Anundersizedwaterheaterwillcausemorecondensation.The
waterheatermustbesizedproperlytomeetthefamily's
demandsforhotwaterincludingdishwashers,washingmachines
andshowerheads.
Excessivecondensationmaybenoticedduringthewinterand
earlyspringmonthswhenincomingwatertemperaturesareat
theirlowest.
Goodventingisessentialforagasfiredwaterheatertooperate
properlyaswellastocarryawayproductsofcombustionand
watervapor.
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
water. The most common complaint associated with the anode
rod is one of a "rotten egg smell". This odor is derived
from hydrogen sulfide gas dissolved in the water. The smell is
the result of four factors which must all 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 non-toxic 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 all hot water lines. Contact Sears Service for further
information concerning an Anode Replacement and this
Chlorination Treatment.
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
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Explosion Hazard
• Flammable hydrogen
gases may be present.
* Keep all ignition sources
away from faucet when
turning on hot water.
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 shuts off the gas supply to the water heater
burner when high water temperatures are present. It is non-
resettable. If the high temperature shut off activates, the gas
control valve must be replaced. If this were to occur, turn "OFF"
the entire gas supply to the water heater. Contact the Sears
Service Center.
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