Kenmore Power Miser 8 Owners Manual

							  
ServiceandAdjustment(contd) 
L.RGasControlValve&Burner 
AssemblyReplacement 
Information 
AWARNING 
PROPANE(I.R)GASCONTROLVALVEANDBURNER 
ASSEMBLYREPLACEMENTINFORMATION. 
ForPropane(L.R)GasModelsOnly. 
YourwaterheaterisequippedwithaPropane(L.R)gascon- 
trolvalveandamainburnerassemblywithleehandthreads 
forthefollowingfittingsandtheirconnections. 
•Theconnectionbetweenthemanifoldandthegas 
controlvalve(AtoB)arelefthand.threads. 
•Theconnectionbetweenthemainburnerorifice 
andthemanifold(CtoD)arelefthandthreads. 
Fororderingthesereplacementparts,pleasereferto 
theRepairPartssectionofthismanual. Temperature-PressureRelief 
ValveOperation 
Thetemperature:pressurereliefvalvemustbemanuallyoperated 
atleastonceayear. 
TEMPERATURE-PRESSURE 
RELIEFVALVE 
/ 
DISCHARGEPIPE 
Failuretoinstallandmaintainanewproperlylistedtempera- 
ture-pressurereliefvalvewillreleasethemanufacturerfromany 
claimwhichmightresultfromexcessivetemperatureorpressure. 
A 
\B 
Draining 
Thewaterheatershouldbedrainedifbeingshutdownduring 
freezingtemperatures.Alsoperiodicdrainingandcleaningof 
sedimentfromthetankmaybenecessary. 
TurnthegascontrolknobtotheOFFposition. 
CLOSEthecoldwaterinletvalvetothewaterheater. 
•OPENanearbyhotwaterfaucetandleaveopentoallowfor 
draining. 
•Connectahosetothedrainvalveandterminatetoanade- 
quatedrain. 
•OPENthewaterheaterdrainvalvetoaliowfortank 
draining. 
NOTE:Ifthewaterheaterisgoingtobeshutdownand 
drainedforanextendedperiod,thedrainvalveshouldbe 
leftopenwithhoseconnectedallowingwatertoterminate 
toanadequatedrain. 
•Closetheurainvalve. 
•FollowinstructionsintheFillingTheWaterHeater_ 
section. 
•Followthelightinginstructionsinthe_Lightingsectionto 
restartthewaterheater. AWARNING 
Ifthetemperature-pressurereliefvalveontheappliance 
weepsordischargesperimf_aily,thismaybeduetothermal 
expansion.Yourwaterheatermayhaveacheckvalve 
installedinthewaterllneorawatermeterwithacheck 
valve.ConsulttheSearsServiceCenterforfurtherinforma- 
tion.Donotplugthetemperature-pressureraiiefvalve. 
AWARNING 
Whenchecldngthetemperature-pressurereliefvalveopera- 
tlon,makesurethat(I)nooneisinfrontoforaroundthe 
outletofthetemperature-pressurereliefvaivedischargeline, 
and(2)thatthewatermanuallydischargedwillnotcauseany 
propertydamagebecausethewatermaybeextremelyhot. 
Ifaftermanuallyoperatingthevalve,itfailstocompletely 
resetandcontinuestoreleasewater,immediatelyclosethe 
coldwaterinlettothewaterheater,followthedraining 
instructions,andreplacethetemperature-pressurerehef 
valvewithanewone. 
21  
						

							  
ServiceandAdjustment(contd) 
DrainValveWasher 
Replacement 
NOTE:Forreplacement,usea_ax_/.x*Athickwasher 
availableatyournearesthardwarestore.Fororderingreplace- 
mentwnshers,refertothePartsOrderListsection. 
TurnOFFgassupplytowaterheater. 
FollowDraininginstructions. 
Turningcounterclockwise,removethehexcapbelowthe 
screwhandle. 
Removethewasherandputthenewoneinphce. 
Screwthehandleandcapassemblybackintothedrainvalve 
andretightenusingawrench.DONOTOVERTIGHTEN. 
FollowinstructionsintheFillingTheWaterHeater 
section. 
Checkforleaki. 
Followthelightinginstructionsinthe_Lightingsectionto 
restartthewaterheater. 
_HANDLE 
__ANDCAP 
_ASSEMBLY 
Housekeeping 
Vacuumaroundbaseofwaterheaterfordust,dirt,andlintona 
regularbasis. 
AWARNING 
INSTALLEDINSUITABLEAREA:Toinsuresuffi- 
cientventilationandcombustionairsupply,proper 
clearancesfromthewaterheatermustbemain- 
tained.SeeFactstoConsiderAbouttheLocation 
section.Combustiblematerialssuchasclothing, 
cleaningmaterials,orflammableliquids,etc.must 
notbeplacedagainstoradjacenttothewater 
heaterwhichcancauseafire. 
Service 
Beforecallingforrepairservice,readtheStartUpConditions 
andOperationalConditionsfoundintheTroubleshooting 
Guideofthismanual. 
Ifaconditionpersistsoryouareuncertainabouttheoperation 
ofthewaterheater,letaqualifiedpersoncheckitout. 
ContactSEARSRepairServicesat1-800-4-MY-HOME 
(1-800-469-4663). 
22  
						

							  
TroubleshootingGuide 
StartUpConditions 
THERMALEXPANSION 
Watersup,plysystemsmay,becauseofsucheventsashighline 
pressure,trequentcut-offs,theeffectsofwaterhammeramong 
bthers,haveinstalleddevicessuchaspressurereducingvalves, 
checkvalves,backflowpreventers,etc...tocontrolthesetypesof 
problems.Whenthesedevicesarenotequippedwithaninternal 
by-pass,andnoothermeasuresaretaken,thedevicescausethe 
watersystemtobeclosed.Aswaterisheated,itexpands(ther- 
malexpansion)anddosedsystemsdonotallowfortheexpan- 
sionofheatedwater. 
Thewaterwithinthewaterheatertankexpandsasitisheatedand 
increasesthepressureofthewatersystem.Iftherelievingpointof 
thewaterheaterstemperature-pressurereliefvalveisreached,the 
valvewillrelievetheexcesspressure.Thetemperature-pr_-,=,sure 
reliefvalveisnotintendedforthecohstantreliefofthermal 
expansion.Thisisanunacceptableconditionandmustbecor- 
rected. 
Itisrecommendedthatanydevicesinstalledwhichcouldcreatea 
closedsystemhaveaby-passand/orthesystemhaveanexpan- 
siontanktorelievethepressurebuiltbythermalexpansion. 
ThermalexpansionranksareavailablefromSearsstoresand 
throughtheSearsServiceCenters.Contactthelocalplumbing 
inspector,watersupplierand/ortheSearsServiceCenterfor 
assistanceincontrollingthesesituations. 
ThermalExpansionTankSpecifications 
ModelTankCapacityDimensionsinInchesIPipeFitting 
NumberInGallonsDiameterLengthOnTank 
153.33102028inches12_inches_Male 
153.331050511inches14_inches_Male 
ExpansionTankSizingChart 
WaterHeaterCapacity(Gallons)  Inlet* 
Water 
Pressure 
40psi 
50psi 
60psi 
70psi 
80psi  Expansion3040506682 
Tank22255 
Capacity22255 
Needed22555 
22555 
25555 
*Highestrecordedinletwaterpressureina24hourperiodor 
regulatedwaterpressure. 
NOTE:Expansiontanksarepre-chargedwitha40psiair 
charge.Iftheinletwaterpressureishigherthan40psi,the 
expansiontanksairpressuremustbeadjustedtomatchthat 
pressure,butmustnotbehigherthan80psi. HOT COLD WATERHEATER(3) 
COLDWAllERPRESSURE 
HErFITTINGREDUCING 
VALVEWITH 
B_ 
0)1  EXPANSION 
TANK 
(3) 
pRESSUREGAUGE 
WATER 
SHUTOFF 
RECOMMENDEDINSTALLATION 
(VERTICALMOUNTING) 
WATERHEATER 
COLDWATER 
INLETFITTING FLOOR,CEILING 
JOIST,ETC. 
HOT 
STRAPPING 
(3) 
PRESSUREINLETCOLD 
REDUCING 
VALVEWITHWATER 
0),*_rms_SHUTOFF 
EXPANSION• 
iTANK. 
/ 
(z) 
PRESSUREGAUGE 
ALTERNATERECOMMENDED 
INSTALLATION 
(HORIZONTALMOUNTING) 
STRANGESOUNDS 
Possiblenoisesduetoexpansionandcontractionofsomemetal 
partsduringperiodsofbeat-upandcool-downdonotrepresent 
harmfulordangerousconditions. 
Condensationcausessizzlingandpoppingwiththeburnerarea 
duringheatin_andcoolinl_periodsandshouldbeconsidered 
normal.SeeCondensationsection. 
23  
						

							  
TroubleshootingGuide(contd) 
StartUpConditions(contd) 
CONDENSATION 
Wheneverthewaterheaterisfilledwithcoldwater,acertain 
amountofcofidensationwillformwhiletheburnerison.A 
waterheatermayappeartobeleakingwheninfactthewateris 
condensation.Thisusuallyhappenswhen: 
•Whenanewwaterheaterisfilledwithcoldwaterforthe 
firsttime. 
•Whengasburnsandwatervaporisproducedinwater 
heaters,particularlyhighefficiencymodelswherefluetem- 
peraturesarelower. 
•Whenyouuselargeamountsofhotwaterinashorttime 
andtherefillwaterisverycold. 
Moisturefromtheproductsofcombustioncondenseonthe 
coolertanksurfacesandformdropsofwaterwhichmayfall 
ontotheburnerorotherhotsurfacestoproducea_sizzlingor 
fryingnoise. 
Excessivecondensationcancausepilotoutageduetowaterrun- 
ningdownthefluetubeontothemainburnerandputtingout 
thepilot. 
Becauseofthesuddennessandamountofwater,condensation 
watermaybediagnosedasa_tankleak.Afterthewaterinthe 
tankwarmsup(about1-2hours),theconditionshould 
disappear. SMOKEIODOR 
Itisnotuncommontoexperienceasmallamountofsmokeand 
odorduringtheinitialstart-up.Thisisduetoburningoffofoil 
frommetalparrs,andwilldisappearinashortwhile. 
OperationalConditions 
SMELLYWATER 
Ineachglasslinedwaterheaterthereisinstalledatleastone 
anoderod(seepartssection)forcorrosionprotectionofthe 
tank.Certainwaterconditionswillcauseareactionbetweenthis 
rodandthewater.Themostcommoncomplaintassociatedwith 
theanoderodisoneofarotteneggsmell.Thisodorisderived 
fromhydrogensulfidegasdissolvedinthewater.Thesmellis 
theresultoffourfactorswhichmustallbepresentfortheodor 
todevelop: 
a.aconcentrationofsulfateinthesupplywater. 
b.littleornodissolvedoxygeninthewater. 
c.asulfatereducingbacteriawithinthewaterheater.(This 
harmlessbacteriaisnon-toxictohumans.) 
d.anexcessofactivehydrogeninthetank.Thisiscausedby 
thecorrosionprotectiveactionoftheanode. 
Donotassumethewaterheaterisleakinguntiltherehasbeen 
enoughtimeforthewaterinthetanktowarmup. 
Anundersizedwaterheaterwillcausemorecondensation.The 
waterheatermustbesizedproperlytomeetthefamilys 
demandsforhotwaterincludingdishwashers,washingmachines 
andshowerheads. 
Excessivecondensationmaybenoticedduringthewinterand 
earlyspringmonthswhenincomingwatertemperaturesareat 
theirlowest. Smellywatermaybeeliminatedorreducedinsomewaterheater 
modelsbyreplacingtheanode(s)withoneoflessactivematerial, 
andthenchlorinatingthewaterheatertankandallhotwater 
lines.ContactSearsServiceforfurtherinformationconcerning 
anAnodeReplacementKit#9001453andthisChlorination 
Treatment. 
Ifthesmellywaterpersistsaftertheanodereplacementandchlo- 
rinationtreatment,wecanonlysuggestthatcontinuouschlori- 
nationandfilteringconditioningequipmentbeconsideredto 
eliminatethewaterproblem. 
Goodventingisessentialforagasfiredwaterheatertooperate 
properlyaswellastocarryawayproductsofcombustionand 
watervapor. Donotremovetheanodeleavingthetankunprotected.By 
doingso,allwarrantyonthewaterheatertankisvoided. 
AWARNING 
HOTTERWATERCANSCALD:.Waterheatersareintendedto 
producehotwater.Waterheatedtoatemperaturewhichwill 
satisfyclotheswashing,dishwashing,andothersanitizingneeds 
canscaldandpermanentlyinjureyouuponcontact.Somepeo- 
plearemorelikelytobepermanentlyinjuredbyhotwaterthan 
others.Theseincludetheelderly,children,theinfirm,orphysicak 
ly/mentallyhandicapped.Ifanyoneusinghotwaterinyourhome 
fitsintooneofthasegroupsorIfthereisalocalcodeorstatelaw 
requitingacertaintemperaturewateratthehotwatertap,then 
youmusttakespecialprecautions.Inadditiontousingthelowest 
possibletemperaturesettingthatsatlsllasyourhotwaterneeds, 
ameanssuchasamixingvalve,shouldbeusedatthehotwater 
tapsusedbythesepeopleoratthewaterheater.Mixingvalves 
areavmZabieatplumbingsupplyorhardwarestores_Followman- 
ufacturersinstructionsforinstallationofthevalves.Before 
changingthefactorysettingonthethermostat,readthe 
flemperatureRegulationsectioninthismanual. AIRINHOTWATERFAUCETS 
AWARNING 
HYDROGENGAS:Hydrogengascanbeproducedinahot 
watersystemthathasnotbeenusedforalongperiodoftimo 
(generallytwoweeksormore).Hydrogengasisextremely 
flammableandexplosive.Topreventthepossibilityofinjury 
underti_seconditions,werecommendthehotwaterfaucet 
beopenedforseveralminutesatthekitchensinkbeforeany 
dectricalapplianceswhichareconnectedtothehotwatersys- 
temareused(suchasadishwasherorwashingmachine),If 
hydrogengasispresent,therewillprobablybeanunusual 
soundsimilartoairescapingthroughthepipeasthehotwater 
faucetisopened.Theremustbenosmokingoropenflame 
nearthefaucetatthetimeitisopen. 
24  
						

							  
TroubleshootingGuide(contd) 
HIGHTEMPERATURESHUTOFFSYSTEM 
Thiswaterheaterisequippedwithanautomaticgasshutoffsys- 
tern.Thehightemperatureshutoffisbuiltintothegascontrol 
valve.Thissystemshutsoffthegassupplytothewaterheater 
burnerswhenhighwatertemperaturesarepresent.Itisnon- 
resetsable.Ifthehightemperatureshutoffactivates,thegascon- 
trolvalvemustbereplaced.Ifthisweretooccur,turnOFFthe 
entiregassupplytothewaterheater.ContacttheSearsService 
Center. 
AWARNING 
Shouldoverheatingoccurorthegassupplyfailtoshutoff, 
turnOFFthemanualgascontrnvalvetotheappliance. AWARNING 
Duetothenatureofthetypicalgaswaterheater,the 
watertemperatureincertainsituationsmaybehotter 
thanthethermostatsetting. 
Short,frequentdrawsofhotwater-especiallywithvery 
coldincomingwater-canshockthethermostatintobrief 
operationresultinginhotterandhotterlayersofwater 
closertothetopofthetank. 
Changesinhotwaterusagepatternsorraisingthetem- 
peraturedifferentialbetweenthecut-onofthethermo- 
statandthecoldwatertemperaturewillusuallyeliminate 
theproblem. 
NOTENOUGHORNOHOTWATER 
•Checkthemanualgasshutoffvalvetobesureitisopen. 
iCheckthepilotflame.Itmayhavegoneout.Allmodelshave  anopeningbehindtheouterdoorforviewingthepilot. 
Ifthepilotisnotlit,followtheLightinginstructionsinthis 
manualorlocatedabovethegascontrolvalveonthewater 
heatertore.lightthepilot.Ifthewaterwasextremelyhotandis 
nowcold,thehighlimitsafetytemperatureshutoffmayhave 
putouttheburnerandpilot.Ifthehightemperatureshutoff 
activates,thegascontrolvalvemustbereplaced.Contactthe 
SearsServiceCenter. 
_ThegascontrolknobmustbeturnedtotheONposidon.  Thetemperatureadjustmentdialmaybesettoolow.Seethe 
TemperatureRegulationsection. 
Thegascompanycancheckthegasinputtoseeifitiscorrect. 
Anunderfiredwaterheaterwillnotheatwaterasquickly. 
•Lookforleakingoropenhotwaterfaucets.Makesureallare 
closed. 
•Thecoldwaterinlettemperaturemaybecolderduringthe 
wintermonths.Itwilltakelongertoheatthewaterandseem 
likelesshotwater. 
•Ifyoucannotfindwhatiswrong,calltheSearsService 
Cellter, 
WATERISTOOHOT 
•Thetemperatureadjustmentdialmaybesettoohigh.Seethe 
TemperatureAdjustmentsection. 
NOTE:Aperiodoftimeisnecessaryafteranadjustment 
hasbeenmadeforthewatertemperaturetoreachthenew 
temperaturesetting. 
•IflowertemperaturesettingswiUnotlowerthewatertempera- 
ture,calltheSearsServiceCenter. 
25  
						

							  
TroubleshootingGuide(contd) 
LeakageCheckpoints 
Usethisguidetochecka_Leakingwaterheater,Manysuspect- 
edULeakersarenotleakingtanks.Oftenthesourceofthewater 
canbefoundandcorrected. 
Ifyouarenotthoroughlyfamiliarwithyourlocalgascodesyour 
waterheater,andsafetypractices,contacttheSear_s_.._ 
Centertocheckthewaterheater. ACAUTION 
Readthismanualfirst.ThenbeforecheckingthewaterI 
beatermakesurethegassupplyhasbeenturned 
OFF,andneverturnthegasONbeforethetankis 
competelyfoofwater. 
® 
0 
0 IACAUTION.J  NeverusethiswaterheaterunlessitiscompletelytilledJ 
withwater.Topreventdamagetothetank,thetankI 
musthefilledwithwater.Watermustflowfromthehot 
waterfaucetbeforeturningONgastothewaterJ 
heater..J 
OWateratthedrafthoodiswaterwhichhas  vapor 
condensedoutofthecombustionproducts.Thisiscaused 
byaprobleminthevent.ContacttheSearsServiceCenter 
O*Condensationmaybeseenonpipesinhumidweatheror 
pipeconnectionsmaybeleaking. 
OTheprimaryanoderodfittingmaybeleaking. 
Smallamountsofwaterfromtemperature-pressurerelief 
valvemaybeduetothermalexpansionorhighwater 
pressureinyourarea. 
*Theremperature-pressurereliefvalvemaybeleakingat 
thetankfitting. 
OWaterfromadrainvalvemaybeduetothevalveopened 
slightly. 
OThedrainvalvemaybeleakingatthetankfitting. 
Combustionproductscontainwatervaporwhichcan 
condenseonthecoolersurfacesofthetank.Droplets 
formanddripintothefireorrunonthefloor,Thisis 
commonatthetimeofstarmpafterinstallationandwhen 
incomingwateriscold. 
O Waterinthewaterheaterbottomoronthefloormaybe 
fromcondensation,looseconnections,orthereliefvalve. 
DONOTreplacethewaterheateruntilafullinspection 
ofallpossiblewatersourcesismadeandnecessary 
correctivestepstaken.Leakagefromotherappliances, 
waterlines,orgroundseepageshouldalsobechecked. 
NOTE:Tocheckwherethreadedportionenterstank, 
insertcottonswabbetweenjacketopeningandfitting. 
Ifcottoniswet,followDraininginstructionsinthe 
ServiceandAdjustmentsectionandthenremove 
fitting.Putpipedopeorteflontapeonthethreads 
andreplace.ThenfollowFillingtheWaterHeater 
instructionsintheInstallationInstructionssection. 
26  
						

							  
Notes 
27  
						

							  
Notes 
28  
						

							  
Notes 
29  
						

							  
PartsOrderList 
POWERMISERTM8GASWATERHEATERS 
MODELNUMBERS: 
153.33711350Gal.ShortHighAltitnde 
153.33716250Gal.Short 
153.33721340Gal.ShortHighAltitude 
153.33726240Gal.Short 
153.33736230Gal. 
153.33741340Gal.HighAltitude 
I[ 
i,_719 
I! 
t- 
16 
17 2 
30