Takagi T-KJr2-IN-NG Residential Water Heater – Best environmental friendly choice

Takagi T-KJr2-IN-NG Water Heater Review 2021

It is difficult to choose the Best water heater from different types of hot water heaters available on the market. If you need a compact Indoor water heater, Takagi T-KJr2-IN-NG Heater is the best choice for you. Yes, this Takagi Tankless Gas Water Heater works on natural gas and produces a great efficiency. With the most advanced features and specifications, and detailed Takagi Tankless Water Heater Reviews will allow you to get the best hot water heater for home.

When you invest a certain amount of money for the water heater, the it must work with greater performance.

Best Takagi Indoor Tankless Water Heater for the Money

This Best Heater works on natural gas with a maximum input of 140,000 BTU/H and best suitable for indoor purpose. You will get a maximum flow rate of 6.6 gallons per minute (GPM). As it is equipped with a simple installation process and hence requires venting of 4-inch category 3 stainless steel. Takagi Indoor Tankless Water Heater Natural Gas is very cost efficient water heater available in the Takagi family.

This Takagi Water Heater is very energy efficient and works with an energy factor range of 0.81 – 0.83 EF. Therefore, this Electric Hot Water Heater enables you to use very effectively and also saves your home energy bills. Thermistors used to monitor the temperature of the water heater constantly. You can convert this Takagi Electric Water Heater to direct vent type and is the best environment-friendly water heater available on the market.


  • Efficiency
  • Venting
  • Performance
  • Additional Features
  • Warranty Details

1. Efficiency

Takagi T-KJr2-IN-NG Indoor Water Heater works with the natural gas with a range of 19,500 – 140,000 BTU/H. When it comes to the efficiency of Takagi Hot Water Heater is the range of 81 – 83 percent. Hence, this Takagi Gas Water Heater is the highly efficient water heater. As a result, this best Indoor Water Heater offers a uniform energy factor of 0.80 UEF.

2. Venting

This compact size smallest water heater venting parts include 4-inch combustible and non-combustible sidewall termination kit. The Takagi Water Heater has direct vent concentric termination, flat and angled rooftop termination kit, etc.

As a result, this Best Indoor Tankless Water Heater offers all the venting tools required for installation. Refer Takagi T-KJr2-IN-NG Manual for detailed venting procedure and working of desired venting parts.

3. Performance

This Best eco-friendly water heater runs with a maximum energy factor of 0.83 EF and a uniform energy factor of 0.80 UEF. It is embedded with the inlet and outlet thermistors. Hence, you can conveniently monitor the temperature of the hot water and maintain it constantly.

Takagi Indoor Water Heater works with the maximum flow rate of 6.6 GPM. As a result, it can easily provide hot water for 2 to 3 bathrooms at a time.

4. Additional Features

The Natural Gas Takagi Water Heater featured with various tools to provide easy usability. It includes direct vent conversion kit, remote temperature controller, pipe cover, and pressure relief valve and lead-free isolation valve. These Features enables you to convert the water heater from a conventional vent system to a direct vent type. With Using remote temperature controller, you can easily control hot water temrature.

This remote controller also acts as a demonstrative tool for error codes. The lead-free isolation and pressure relief valve used to cut off the service if the pressure exceeds 150 psi. The pipe cover used to protect the pipe and improve the visual facet after the installation of the water heater.

5. Warranty Details

Takagi T-KJr2-IN-NG Tankless Water Heater, comes with 15 years of warranty. For commercial or multiple family domestic hot water type, you can enjoy 10 years of warranty services for the heat exchanger. If any damage occurs or for the replacement of parts, the warranty services applicable for 5 years. You can enjoy free labor services for 1 year if there is any repair of the water heater.



  • Manufacturer : Takagi
  • Item model number : T-KJr2-IN-NG
  • Color : Black
  • Max flow rate : 6.6 GPM
  • Voltage : 120 volts
  • Product Dimensions : 6.7 x 13.8 x 20.3 inches
  • Item Weight : 37 pounds
  • Warranty : 10 year heat exchanger and 5 year parts



To install a Takagi T-KJr2-IN-NG Water Heater follow the below steps-

1. Plan your location for the installation of Takagi T-KJr2-IN-NG Water Heater.
2. Provide enough combustible air to the water heater.
3. Ensure that the Takagi T-KJr2-IN-NG Water Heater has proper ventilation.
4. Turn off both hot water and cold water pipe lines along with the gas line.
5. Mount the water heater carefully.
6. Wire it properly making sure that all the right wires are connected properly.
7. Connect the hot and cold water lines and the gas lines.
8. Allow the water to pass out of the hot water faucet for a while.


Takagi T-KJr2-IN-NG Water Heater system handles hard water very well.


Takagi Electric Water Heater is best suitable for residential homes with a few numbers of family members. Hence, this Top rated Gas Water Heater perfect for radiant heating applications and small apartment units. It works with greater performance and with very high efficiency. As a result, Takagi Water Heater Reviews ensures that this is the Best Tankless Water Heater which also saves your energy bills. Takagi Tankless Water Heater Prices are less compared to other hot water heaters. Happy Shopping…!!!

Takagi T-KJr2-IN-NG Indoor Natural Gas Tankless Water Heater image

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas works with a greater performance. Takagi Electric Tankless Water Heater offers very high efficiency and produces hot water with a good flow rate.


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