37
VENTING SYSTEM INSPECTION
Atleastonceayearavisualinspectionshouldbemadeoftheventing
system.Youshouldlookfor:
1.Obstructionswhichcouldcauseimproperventing.Thecombustion
andventilationairowmustnotbeobstructed.
2.Damageordeteriorationwhichcouldcauseimproperventingor
leakageofcombustionproducts.
Besuretheventpipingisproperlyconnectedtopreventescapeof
dangerousuegasseswhichcouldcausedeadlyasphyxiation.
Obstructionsanddeterioratedventsystemsmaypresentserious
healthriskorasphyxiation.
Chemicalvaporcorrosionoftheueandventsystemmayoccur
ifairforcombustioncontainscertainchemicalvapors.Spraycan
propellants,cleaningsolvents,refrigeratorandairconditioner
refrigerants,swimmingpoolchemicals,calciumandsodiumchloride,
waxes,bleachandprocesschemicalsaretypicalcompoundswhich
arepotentiallycorrosive.
If after inspection of the vent system you foundsooting or
deterioration,somethingiswrong.Callthelocalgasutilitytocorrect
theproblemandcleanorreplacetheueandventingbefore
resumingoperationofthewaterheater.
BURNER OPERATION AND INSPECTION
Flooddamagetoawaterheatermaynotbereadilyvisibleor
immediatelydetectable.However,overaperiodoftimeaooded
PERIODIC MAINTENANCE
waterheaterwillcreatedangerousconditionswhichcancause
DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE.
Contact aqualified installer or service agencyto replacea
oodedwaterheater.Donotattempttorepairtheunit!Itmustbe
replaced!
Atleastonceayearavisualinspectionshouldbemadeofthe
mainburnerandthehotsurfaceigniterassemblyforproperame
characteristicsandignitionsequences.Youshouldalsocheckfor
sooting.Sootisnotnormalandwillimpairpropercombustion.Avisual
inspectionofthemainburnerandHSIigniterassemblyshouldalsobe
done at least once a year.
Sootbuild-upindicatesaproblemthatrequirescorrectionbefore
furtheruse.Turn“OFF”gastowaterheaterandleaveoffuntilrepairs
aremade,becausefailuretocorrectthecauseofthesootingcan
resultinarecausingdeath,seriousinjury,orpropertydamage.
BURNER CLEANING
Intheeventyourburnerorburnerairopeningsrequirecleaning,
turntheon/offswitchtothe“OFF”positionandallowtheunittocool.
Callaqualiedserviceagencytoremoveandcleantheburnerand
correcttheproblemthatrequiredtheburnertobecleaned.
HOUSEKEEPING
Vacuumaroundbaseofwaterheaterfordust,dirt,andlintona
regularbasis.