Takagi T-D2-IN-NG Indoor Tankless Water Heater 10 GPM, Natural Gas | Review

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There is no doubt over the fact that Takagi is a leading brand when it comes to tankless water heater and the manufacturer is looked upon as an industry leader in the space. Takagi has come out with many tankless water heater models in the past few years and is looked upon as one of the pioneers in the area.

The Takagi T-D2-IN-NG Indoor Tankless Water Heater model has received as much attention and appreciation in the market like all other Takagi models. The model was launched on September 13, 2010.

Main features of Takagi T-D2-IN-NG Indoor Tankless Water Heater

  1. Efficient model

Takagi T-D2-IN-NG Indoor Tankless Water Heater comes across as a perfect and efficient model that has received Energy star certification for lesser energy consumption. It ensures to use less energy and provides good output in return. The model is not only energy efficient but also turns out to be highly efficient in the performance front.

It can be used for commercial purposes and is ideal fit for restaurants. The water tankless water heater can also be used for heavy-residential requirements where there are many appliances that run on hot water. The maximum flow rate of the tankless water heater is 10.0 GPM which is an attractive flow rate.

  1. Perfect features

The tankless water heater supports many advantageous and beneficial features that make the heater usage quite easy and convenient. The model requires stainless steel venting that is of 4 inches in length. The temperature is monitored constantly with the help of thermistors and there is a TM-RE30 remote included with the package.

The Natural Gas range is between 11,000Btu Min. and 199,000 Btu Max. The strong copper alloy heat exchanger ensures to make the water hot the moment it passes through it. The model is also compact in nature and weighs about 45 pounds along with a product dimension of 8.5 x 13.8 x 20.3 inches.

  1. Reliable and durable

Takagi T-D2-IN-NG Indoor Tankless Water Heater turns out to be not only a durable model but it is also known to be safe and reliable as well. The tankless water heater ensures to provide regular supply of hot water for commercial as well as domestic use for several years without causing any issues with its functionality.


The installation process is quite difficult. The installation manual that comes with the tankless water heater does not provide for clear instructions for this complicated model.


Customer Review

Takagi T-D2-IN-NG Indoor Tankless Water Heater enjoys a positive review. The model is durable, safe and provides for constant supply of hot water for commercial as well as domestic needs. The internal part and connections are known to stay intact for several years and does not cost heavily on repairs and services. It is important to make use of a licensed professional for installation purposes, otherwise the warranty offered by the manufacturer stands void. You will have to take care of the expenses all by yourself in such case.

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