38
INSTALLEDINSUITABLEAREA:Toinsuresufcientventilationand
combustionairsupply,properclearancesfromthewaterheatermust
bemaintained. See“Factsto ConsiderAboutLocation”section.
Combustiblematerialssuch as clothing, cleaning materials, or
ammableliquids,etc.must notbeplacedagainst oradjacentto
thewaterheaterwhichcancauseare.
anode rod InspectIonTheanoderodisusedtoprotectthetankfromcorrosion.Mosthot
watertanksareequippedwithananoderod.Thesubmerged rod
sacricesitselftoprotectthe tank.Insteadofcorroding thetank,
waterionsattackandeatawaytheanoderod.Thisdoesnotaffect
thewater’stasteorcolor.Therodmustbemaintainedtokeepthe
tankinoperatingcondition.
Anodedeteriorationdependsonwaterconductivity,notnecessarily
watercondition.Acorrodedorpittedanoderodindicateshighwater
conductivityandshouldbecheckedand/orreplacedmoreoftenthan
ananoderodthatappearstobeintact.Replacementofadepleted
anoderodcanextendthelifeofyourwaterheater.Inspectionshould
beconductedbyaqualiedtechnician,andataminimumshouldbe
checkedannuallyafterthewarrantyperiod.
teMperature-pressure relIef valve operatIonFIGURE 28.
Whencheckingthe temperature-pressure relief valve operation,
makesurethat(1)nooneisin frontoforaroundtheoutletofthe
temperature-pressurereliefvalvedischarge line,and(2) thatthe
waterdischargewillnotcauseanypropertydamage,asthewater
maybeextremelyhot,seeFigure28.
Ifaftermanuallyoperatingthevalve,itfailstocompletelyresetand
continuestoreleasewater,immediatelyclosethe coldwaterinlet
tothewaterheater,followthedraininginstructions,andreplacethe
temperature-pressurereliefvalvewithanewone.
Ifthetemperature-pressure relief valve on the appliance weeps
ordischargesperiodically,thismaybedue tothermalexpansion.
Youmayhaveacheckvalveinstalledinthe waterlineorawater
meterwithacheck valve.Consultyour localwatersupplierora
qualiedserviceagencyfor furtherinformation.Do notplugthe
temperature-pressurereliefvalve.
draInInGThewaterheater should be drained if being shut down during
freezingtemperatures. Also periodic draining and cleaning of
sedimentfromthetankmaybenecessary.
1.Setthepowerswitchtothe“OFF”position.
2. CLOSE the cold water inlet valve to the water heater.
3.OPENa nearby hot water faucet and leave open to allow for
draining.
4.Connectahosetothedrainvalveandterminatetoanadequate
drain.
5.OPENthewaterheaterdrainvalvetoallowfortankdraining.
note: If the water heater is going to be shut down and
drained for an extended period, the drain valve should be
left open with hose connected allowing water to terminate
to an adequate drain.
6.CLOSEthedrainvalve.
7.Followinstructionsinthe“FillingTheWaterHeater”section.
8.Followthelighting instructions on the label or see “Lighting
Instructions”inthismanualtorestartthewaterheater.