Install Instructions (Venting)
10 238‐49754‐00B2/12
InstalltheappropriatediameterCentrothermISTAGLPVCTermi nationAdapterontheendofthelastpipe.
InstallaPVCcouplingontothemalegasketedendoftheCentrothermPVCTerminationAdapter.Areducercoupling
maybeneededtousethesuppliedventterminalsifalargerpipediametersizewasused.Cementthestraight section
ofPVCpipetothePVCpipecoupling.InstallthePVC
pipetoexitthewallorroof,andthencementtheventterminal
ontothePVCorCPVCpipe.RefertotheventingsectionofthewaterheaterInstallationandOperatingInstruction
manualfortheappropriatesolventandcementtouse.TheexhaustventterminalfortheEFmodelseries
isshown.Use
theventterminalssuppliedwiththewaterheater.Seethefollowingphotos.
WARNING
A Centrotherm ISTAGL series PVC Vent Termination Adapter must be used at the end of the last section of
polypropylene vent pipe to connect to the PVC pipe coupling. The arrow must point toward the vent terminal. DO
NOT USE THE SAME PVC ADAPTER THAT IS USED TO CONNECT TO THE WATER HEATER.
PVCTerminationAdapter(notsupplied)
MalegasketedendofPVCterminationadapter
PVCCouplinginsertsintoPVC
TerminationAdapter
FlueClamptosecuretoPVCAdapter
Arrowpointstowardoutsidevent
terminal