18 JacuzziSignatureWaterHeatersJ‐S180/J‐S199
InstallaonofGasSupply
MUSTDO
• Amanualgascontrolvalvemustbeplacedinthe
gassupplylinetothewaterheater.Aunioncanbe
usedontheconneconabovetheshutoffvalve
forthefutureservicingordisconneconofthe
unit.
• Checkthetypeofgasandthegasinletpressure
beforeconnecngthewaterheater.Ifthewater
heaterisnotofthegastypethatthebuildingis
suppliedwith,DONOTconnectthewaterheater.
Contactthedealerfortheproperunittomatchthe
gastype.
• Checkthegassupplypressureimmediately
upstreamatalocaonprovidedbythegas
company.Suppliedgaspressuremustbewithin
thelimitsshownintheSpecificaonsseconwith
allgasappliancesoperang.
• Beforeplacingtheapplianceinoperaonalljoints
includingtheheatermustbecheckedforgas
ghtnessbymeansofleakdetectorsoluon,soap
andwater,oranequivalentnonflammable
soluon,asapplicable.(Sincesomeleaktest
soluons,includingsoapandwater,maycause
corrosion
orstresscracking,thepipingshallbe
rinsedwithwateraertesng,unlessithasbeen
determinedthattheleaktestsoluonisnon‐
corrosive.)
• Useapprovedconnectorstoconnecttheunitto
thegasline.Purgethegaslineofanydebris
beforeconnecontothewaterheater.
ConnectWaterHeatertoWaterSupply
Waterconneconstothetanklesswaterheater
shouldfollowallstateandlocalplumbingcodes.
Ifthisisastandardinstallaon,refertothePiping
DiagramforBasicInstallaon.
1. Plumbwatersupplytothetanklesswaterheater
onthe3/4”MNPTconneconattheboom
of
theunitmarked“WaterInlet”,whichisthecold
watersupply.
2. Plumbthebuildinghotwatersupplytothe3/4”
MNPTconneconmarked“WaterOutlet”,which
isthehotwatersupply.
Ifapipecoverwillbeinstalled,makesurewaterlines
tothewaterheaterfit.
GeneralInstrucons
ChecklistforPlumbing
□Purgethewaterlineofalldebrisandairby
closingthehotisolaonvalveandopeningthe
coldisolaonvalveanditsdrain.Debriswill
damagethewaterheater.Useabucketorhose
ifnecessary.
□Ensurethathotandcoldwaterlinesarenot
crossedtotheunitandareleakfree.
□Ensurethatapressurereliefvalveisinstalledwith
arangthatexceedstheBTUinputofthewater
heatermodel.Refertotherangplateonthe
sideofthewaterheaterforBTUinput.
□Cleantheinl etwaterfilterbyclosingthecoldand
hotwaterinletisolaon(shut‐off)valves.(Turn
offthewatersupplyifashut‐offvalveisnot
installed.)Putabucketunderthefilteratthe
boomofthewaterheatertocatchanywater
thatiscontainedinsidetheunit.Unscrew the
waterfilter.Rinsethefiltertoremoveanydebris.
Installthefilterandopentheisolaonvalves.
WARNING
1. Ifyouarenotknowledgeableorqualifiedto
installgaslinesorconnecons,thencontacta
licensedprofessionaltoinstallthegassupply.
2. Turnoff120vpowersupply.
3. Turnoffthegas.
4. Gasisflammable.Donotsmokeorprovideother
ignionsources
whileworkingwithgas.
5. Donotturnonthewaterheaterorgasunlall
fumesaregone.