Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater

Takagi manufactures different types of indoor water heaters. This Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater is an indoor water heater used for the residential and commercial purpose. You can use it in restaurants, salons, juice bars, shops and many other areas. Mainly, Takagi T-H3-DV-N natural gas indoor tankless water heater is highly suitable for heavy duty and tasks. In cold regions, it can support three showers and faucets very swiftly. It can be used in high altitude places. It will work brilliantly in the high elevation more than ten thousand feet approximately. The heater heats the water flexibly by measuring the groundwater temperature. The water heater can also be systemized for multipurpose use in the hydronic heating system, recirculation system, storage tanks, radiant floor systems and many more. Its easy-link feature allows setting up to four units. If you use the multi-unit controller, it can connect up to 20 units.

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

Unique Feature Of this Takagi T-H3-DV-N Natural Gas Indoor Tankless Water Heater:

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    It can Able to provide endless hot water to fulfill On-demand usage.
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    Its Compact size enhance the Space saving option rather than a tanked water heater.
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    Its low energy conservation leads to reduce the bill of electricity.
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    Its Computerized safety features ensure the safety of your family from unexpected accident and no pilot light warn before unusual Operation. 
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    The Satisfactory 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions.

High quantity and performance of flow rate:

This Takagi water heater able to give 10 gallons per minute. It is high enough if compared with standard electric water heaters. You will get similar performance in the system whether you use it in more upper or lower elevation.

Natural gas and its functions:

The natural gas supports the heating of water continually without any fluctuations. If the device detects cold water, it immediately functions with the gas in heat exchangers and internal burners to carry out the tasks. The maximum and minimum BTU is 199,000 and 19,500. So this Takagi T-H3-DV-N water heater ensure the endless hot water supply to fulfill your hot water demand.

Innovative water condensing system:

There is combustion chamber where the steam is produced. The innovative water condensing system is used to push out the elements during the water is managed.

Able to Connect multiple units to the device:

It is much easier to connect the water heater to different units. The multi-unit controller can be used for many applications and units in this natural gas indoor tankless water heater. Without the multi-unit controller, it will serve you in more than three units for hot water.

Flexible unit:

The unit is very user-friendly regarding use and performance. The installation is straightforward as it comes with power direct vent construction.

Takagi T-H3-DV-N

Great safety features:

The safety features of this Takagi T-H3-DV-N gas tankless water heater unit are freeze control, overheating management and protection, troubleshooting diagnostic codes and many others. The water heater is lead-free. Its emission is Ultra-Low NOx. The overheat cut off fuse is to control and manage the heating system if it passes the limit. The sensor is active while using the water heater called as Air-Fuel Ratio (AFR). This AFR is an updated new version for the sensor. The safety facility also includes exhaust and water temperature control.

Extra information:

It has integrated temperature controller for checking up and initiate the settings by the user. The advanced diagnostics built for simplifying the troubleshooting. You will get the factory in the called power cords in case of heavy usage. Some of the accessories are pipe cover, neutralizer kit, isolation valve kits and concentric termination.

Others Gas tankless outdoor water heater you can buy:

There are some other tremendous gas tank less water heater ruling in the market that you can choose to buy and use your home to fulfill hot water need or commercial needs. These are like: Camplux 10L Outdoor 2.64 GPM , Takagi T-KJr2-IN-LP Indoor, Takagi T-KJr2-IN-NG and so on. Basically, in this buying guide we tried to reviewed those best tankless water heater which are leading tankless water heater in the market.


  • The constant flow of hot water even at the time of heavy usage.
  • You will get the instant flow of hot water.
  • This device has certified by Energy Star.
  • It saves energy by consuming less power.
  • This unit’s durability is very high.
  • It gives full warranty and technical support.

Disadvantages of solution:

  • The PVC coupling is not so significant to be fitted.
    Solution: The PVC coupling in this gas water heater is standard enough to be fit in. You must carefully fix it, and it will inevitably slide in correctly.
  • The size is compact and not heavy
    Compact water heaters are user-friendly to operate. Nowadays compact water heaters are mostly manufactured and used for its swift performance and advancement.
Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

Frequently asked questions:

Q: Can this water heater work at the altitude of 8000 feet?

Answer: Obviously, This tankless hot water heater will typically work in this high elevation and altitude. This water heater is compactly designed for comfortable to carry and fix in the altitude places. It will provide hot water in many faucets and four bathrooms simultaneously.

Q: What is its burning chamber made of?

Answer: The burning chamber is made of the copper heat exchanger and stainless steel condensing heat exchanger.

Q: Can I know the minimal BTU?

Answer: The minimum BTU input is 15000.

Q: What are its warranty and technical terms and conditions tell me in details?

Answer: This Takagi T-H3-DV-N water heater comes with the very long timing of warranty support and technical support on labor. It provides 15 years of limited warranty for residential usage. Again for the commercial purpose, it comes with ten years. The limited parts warranty is for five years for both residential and commercial use. It also gives six-year limited warranty on the heat exchanger. The heat exchanger is better to be changed from time to time. Many users of this model do not complain about the product.

Q: Can it serve four bathrooms in Dallas?

Answer: Yes without any doubt it can serve in Dallas with any level of ground temperature and delivery settings in heat as instructed by the user. The temperature is desirable to be 130 degrees in case of this place.

Final verdict:

The water heater of Takagi specially this Takagi T-H3-DV-N is very efficient in performing the tasks instantly. Its speed and temperature settings are highly user-friendly. You can see the temperature on the outer part of the machine. The water heater is cost saving as it takes less natural gas and volts to be used. It is better to fix the water by a professional plumber. The instruction manual is to follow for any solution in the device. The customer rating is 3.9 stars out of 5 stars. The use of gas water heater is increasing and booming day by day. It free up space. The tankless water heater like Takagi keeps the air cleaner without any releasing any harmful components in the air. According to the US Department of Energy, it says tankless water heaters are more energy efficient. At the end, In This tankless gas water heater reviews we hardly tried to find out the best features and usability of this takagi specific model. That you can undoubtedly buy to fulfill your on demand hot water need. 

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