Installation Manual

Installation
21Page
CondensateDrainConnections
TheTH2DV/TH2OSarehighefficiencycondensingwaterheatersthatproducecondensate(acidic
water).TheacidiccondensategeneratedinthesecondaryheatexchangercanbeneutralizedbytheTH
NT01Neutralizer.
CaseA:Ifaneutralizerisnotrequired
1. Connecta1/2”X3/8”(or1/2”)
HBAdaptortothecondensatedrainportatthebottomoftheTH2
DV/TH2OS.
2. Connectacondensatedraintubetothe1/2”X3/8”(or1/2”)HBAdaptor.TAKAGIrecommendsthe
materialofthecondensatetubebeeitherEPDMorPVC.
3. Leaveanadequateamount
ofspacebetweentheendofthedraintubeandtheactualdrain,to
facilitateproperdrainage.
CaseB:Ifaneutralizerisrequired(installingtheTHNT01Neutralizerassembly)
1. Connectthe1/2”FPTX3/8”MPTAdaptortothecondensatedrainportatthebottomoftheT
H2
DV/TH2OS.
2. ConnecttheTHNT01Neutralizertothe3/8”MPTconnectionoftheadaptor.Thereisaflow
directionindicatorontheneutralizer.Pleaseorienttheneutralizerintheproperdirection.
3. Connecta1/2”draintubetotheotherendofneutralizer.
4. Leaveanadequate
amountofspacebetweentheendofthedraintubeandtheactualdrain,to
facilitateproperdrainage.
WARNING
Dischargecondensate(acidicwater)inaccordancewithalllocalcodesand
commonsafetypractices.
Neutralizercartridge
(IncludedwithTHNT01)
1/2” Draintube
3/8”or1/2”
Draintube
CaseA
Adequatespace
Drain
CaseB
Condensate
drainport
1/2”FPTX3/8”
(or1/2”)HB
Condensate
drainport
1/2”FPTX3/8”MPT
(IncludedwithTHNT01)
Adequatespace
Drain
3/8”MPTX1/2”HB
(IncludedwithTHNT01)