Takagi T-H3-DV-N Tankless Water Heater Review

Product Name:nsing High Efficiency Natural Gas Indoor Tankless Water Heater
Power Source:Natural Gas
Use Type:Indoor
Capacity:10 GPM
Takagi T-H3-DV-N Tankless Water Heater Review
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The Quick Review

The Takagi T-H3-DV-N is one of the most powerful natural gas tankless water heaters available on the market today. While the name is new in the United States, it is one of the best quality heaters you will find. Backed by thousands of verified purchases, an industry leading warranty and a whopping 10 GPM flow rate, you cannot go wrong with this beast of a tankless water heater.


With the absolute leading flow rate of 10 GPM, capacity isn’t much of a concern with this powerhouse of a water heater.


Since this tankless water heater requires a gas line hook up, you will require professional installation. We do not recommend an amateur attempt to install this unit as working with gas lines can be very dangerous. That said, for a professional, this installation is quite straight forward and shouldn’t run up a large labor bill. Many individuals on Amazon has reported that they were able to install it themselves with ease.


This is a product for people who are looking for long-term value and the best tankless water heater that will last. Being one of the most expensive units in the market, on a $ / GPM rate and energy savings, there is tremendous value in paying a little bit more for this fantastic water heater.

Over the long run, the extreme efficiency of this unit using natural gas will be much less expensive than electric hot water tanks.

The Misses

Most tankless water heaters take a while for the water to heat up when you turn on the faucets, and this unit is no exception. It can take up to 15 seconds (in the winter) for the water to heat up, which is slower than conventional electric water tanks.

Our Recommendation

We recommend this unit to house holds with large hot water demands, as this is one of the highest GPM units you’ll find that is top quality for a fair price.

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