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Takagi T-H3J-DV/OS User Manual

Venting, Features, Comparison

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NEW!

NEW!

NEW!

COMPARISON

FEATURES

NAVIEN

RINNAI

NORITZ

TAKAGI

Efficiency

Energy Factor

0.95

0.95

0.92

0.95

Durability

HRS35 Copper

Primary Heat

Exchanger

NO

(Stainless Steel)

NO

(C1220 copper)

NO

YES!

HRS35 is provides more durability than standard copper

yet allows for higher heat transfer than stainless steel

316L Stainless Steel

Secondary Heat

Exchanger

NO

NO

NO

YES!

316L SS is a corrosion resistant material that protects

the water heater from acidic condensation

Same Models

Residential

and Commercial

NO

(Different

Models: NR/NP)

Yes

(But different

remotes are

needed)

NO

(Different

Models:

NRC/NCC)

YES!

Our units are durable, and can be used in Multiple

applications (manufacture approved and still under

warranty in Residential, Commercial, Heating)

Robust exhaust

temperature

monitoring

safety system

NO

(High-limit

Switch only)

NO

(High-limit

Switch only)

NO

(High-limit

Switch only)

YES!

Contains both a high-limit switch and a thermistor,

fully ensuring that our water heaters are safe

for PVC venting

Ease-of-

Installation

Weight of

Water Heater

86 lbs

71 lbs

66 lbs

59 lbs

Lighter and easier for one person to install

Metal Vent Collar

(Condensing Models)

NO

(Plastic)

Yes

(But CANNOT

use PVC venting)

NO

YES!

With gaskets inside our metal vent collars,

glue is no longer needed to attach PVC venting,

making installations simple and easy

Venting/

Flexibility/

Options

• PVC 3" up

to 100’
(cannot
use Sch.
40 PVC on
recirculatio
n over 150
degrees F)

• Proprietary

Venting (NOT
PVC. Have
to use
Rinnai's
venting,
which can
be costly)

• Sch. 40 PVC

3” up to 16’
(NR111)

• Sch. 40 PVC

3" up to 62'
(De-rates
unit up to
10%, NR98)

• Sch. 40 PVC 3" up to 70'
• Sch. 40 PVC 4" up to 100'
• PVC venting can be used with all set temperatures

and all applications. Stainless steel venting can also
be used as an option (vent length guidelines are the
same as with PVC)

Built-in controller on

front panel for

temperature and

diagnostics settings.

(Indoor model only)

NO

Yes

NO

YES!

Plus temperature adjustments and 31 diagnostics

readings, including: water flow rate, water

temperatures throughout the heater, calculated

energy usage, exhaust temperature readings, etc.

ENERGY STAR

®

Qualified

Primary Heat Exchanger
is constructed of HRS35
Commercial-Grade Copper
which is more resilient
against erosion

Secondary heat exchanger
is made of Type 316L
Stainless Steel

Complies with Lead
Free Standards

Indoor Model includes a
built-in temperature controller
and advanced diagnostics to
simplify troubleshooting

Outdoor Model includes a
wall mount temperature
remote controller and
advanced diagnostics to
simplify troubleshooting

OUTDOOR MODELS

T-H3J-OS, T-H3S-OS, T-H3-OS

INDOOR MODELS

T-H3J-DV, T-H3S-DV, T-H3-DV

Condensing High Efficiency Gas Tankless Water Heaters

EFFICIENCY

DURABILITY

EASE-OF-INSTALLATION

0.95

Energy Factor

PVC

Venting

0”

Clearance Venting

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FEATURES

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TBGSM00413

www.takagi.com

TBGSM00413 Takagi Tankless Sales Slick_AOS Tankless Sales Slick 10/1/12 1:08 PM Page 1

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