Takagi T-H3-DV User Manual

27 Page
-Condensate Drain Connecons-
The water heater is a high efficiency condensing water heater that produces condensate (acidic water).
The acidic condensate generated in the secondary heat exchanger can be neutralized by the Neutralizer
accessory.
Case A: If a neutralizer is not required
1. Connecta1/2”FPTX3/8”(or1/2”)HBAdaptortothecondensatedrainportatthebottomofthe
water heater.
2. Connect a condensate draintubetothe 1/2” FPT X 3/8” (or 1/2”) HB Adaptor.  The manufacturer
recommendsthematerialofthecondensatetubebeeitherEPDMorPVC.
3. Leave an adequate amount of space between the end of the drain tube and the actual drain, to
facilitate proper drainage.
Case B: If a neutralizer is required (installing the Neutralizer assembly)
1. Connectthe1/2”FPTX3/8”MPTAdaptortothecondensatedrainportatthebottomofthewater
heater.
2. ConnecttheNeutralizertothe3/8”MPTconnectionoftheadaptors.Thereisaflowdirectionindicator
on the neutralizer. Please orient the neutralizer in the proper direction.
3. Connecta1/2”draintubetotheotherendofneutralizer.
4. Leave an adequate amount of space between the end of the drain tube and the actual drain, to
facilitate proper drainage.
WARNING
Discharge condensate (acidic water) in accordance with all local codes
and common safety practices.
Condensate
drain port
1/2" Condensate
drain tube
Adequate space
Drain
1/2" FPT x 3/8" MPT
(Included with
Neutralizer accessory)
Neutralizer cartridge
(Included with
Neutralizer accessory)
3/8" MPT x 1/2" HB
(Included with
Neutralizer accessory)
Drain
3/8" or 1/2"
Condensate
drain tube
Condensate
drain port
1/2" FPT x 3/8"
(or 1/2") HB
Adequate space
Case A
Case B
Installaon
Installaon Manual

Takagi T-H3-DV Specifications

General

Brand	Takagi
Model	T-H3-DV
Category	Water Heater
Language	English