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Takagi T-H3M-DV-N 120,000 BTU Natural Gas Indoor Condensing Ultra-Low NOx Tankless Water Heater

SKU: T-H3M-DV-N

This product was discontinued by the manufacturer as of 04/27/26

Takagi T-H3M-DV-N 120,000 BTU Natural Gas Indoor Condensing Ultra-Low NOx Tankless Water Heater

The T-H3M-DV-N is a new breed of tankless for smaller spaces. This model also uses existing 1/2" gas supply lines and inexpensive PVC venting to lower installation costs. The T-H3M supplies hot water to domestic hot water systems (directly or indirectly) which can be used with storage tanks, recirculation systems, hydronic heating systems, radiant floor systems, and/or domestic & heating applications. The T-H3M is a highly efficient, condensing tankless water heater perfect for residential applications. The T-H3M can produce enough hot water for two bathrooms in warmer climates or 1.5 baths in colder climates.

Features:

  • 15-year limited heat exchanger, 5 yrs limited parts Residential use.

  • Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel.

  • The secondary heat exchanger utilizes 316L stainless steel for better corrosion resistance.

  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm).

  • Integrated controls and power cord as standard features.

  • Venting with Schedule 40 PVC, CPVC, PP, Category III stainless steel.

  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes.

Technical Specifications:

Emissions

Ultra Low NOx

Maximum BTUs

120,000

Minimum BTUs

15,000

Water Connection Location

Bottom

Water Connection

3/4"

Flow Rate

6.6 GPM

Heat Exchanger

Copper & Stainless

Voltage

AC 120V

UEF

0.90

ENERGY STAR Qualified

No

LEED Rating

1.5

Remote Control

No

Technology

Condensing

Multilink

No

Dimensions & Venting:

Height

22.87"

Width

13.87"

Depth

10.81"

Product Weight

44 lbs.

Vent Type

Direct Vent

Vent Size

4"

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