Installation / Operation Instruction Manual

10 238‐50320‐00B 9/15
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TightenMetalClamparoundbodyofventpipe. Metalclampfastenstowallwithwoodscrews
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HighEfficiencyCommercial CondensingModels:
Forhorizontalsectionsoffluepipe,thepipemustbeinstal ledwithaslightupwardslopeofapproximately¼inchper
foot(20mmpermeter)towardthewaterheatertoallowcondensatetodrainintothecondensateelbow.
ResidentialandCommercialPowerDirectVent/PowerVentModels:
Topreventcondensatefromaccumulatingintheexhaustblower,installthehorizontalventpipewithadownwardslope
towardtheventterminalof¼inchperfoot(20mmpermeter)ofhorizontalventpipe.Anoptionalcondensatekitis
availableforresidentialpowerventmodelsorateefittingwithacondensatedrainloopmaybeusedoncommercial
powerdirectventmodelstopreventcondensateaccumulationin
theblowerforlongverticalrunsofventpipe.Referto
theventingsectionoftheInstallationandOperatingInstructionssuppliedwiththewaterheater.
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Step6:Ifanyofthestraightpipesectionsneedtobecut,useahacksawandmakeastraightcutonthemale
(ungasketed)endofthepipe.Whenmakingthecut,allowforthe2”minimum(51mm)insertiondistanceinsidethe
femaleendofthepipe.Makesurethecutsaremadesquareandusearazorknifetodeburrtheedgesofthecutpipeto
avoidanysharpedgesthat
maydamagethegasket.
DuraVenthasadjustableventpipesectionsavailable,whichallow4.5inches(114mm)ofadjustmenttothelength.
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WARNING
Cut pipe edges must be properly deburred. Damage to the gasket from not deburring the edges of the cut male
end may result in the release of dangerous flue products.