Review: Takagi T-H3-DV-N Condensing Indoor Tankless Water Heater

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There are certain things you expect with a tankless water heater: endless hot water, compact sizing, and on-demand usage are just three popular options. How come so many models struggle to meet these basics? The Takagi T-H3-DV-N Condensing Indoor Tankless Water Heater doesn’t struggle at all. Not only will this appliance help you to save space and conserve energy, but it will give you all the hot water you need – even if you have a large family to support.

This high-efficiency natural gas tankless water heater meets current rules that are in place for ultra-low NOx emissions established in 2012 by SCAQMD rules. It is one of the few tankless heaters that really can provide a whole-home solution for multiple people.

What Are the Features of the Takagi Condensing Tankless Water Heater?

  • It offers computerized safety features so users are able to focus on temperature settings and hot water use instead of worrying about emissions or leaks.
  • There is no pilot light required with this tankless hot water heater, even though it uses natural gas, which eliminates another worry for many homeowners.
  • It does weigh about 70 pounds, so some homes may encounter a challenge when it comes to the installation process – especially if there is drainage that must be installed as well.
  • It offers a temperature range of 100F-185F, making it suitable for both residential and commercial installations. Voltage requirements are just 120V.
  • The flow rate on this model is rated at a maximum 10 GPM, while its maximum sound level is just 55 decibels.
  • This is an indoor-use only model. If there isn’t a natural gas line running into the home, the local utility will need to be contacted to run a line before the installation of this tankless water heater can begin.

Because this is a condensing model, the combustion products from burning the natural gas will be cooled and sealed in the combustion chamber. This causes the exhaust to become water, which means drainage must be part of the installation process of this hot water heater.

What to Expect with the Takagi Condensing Tankless Water Heater

The installation of this unit is a bit frustrating. Many homes will likely need to upgrade their natural gas piping to ¾-inch to accommodate this hot water heater.

Once installed, achieving a 72F rise in temperature is a simple process without compromising the total GPM which can be achieved. Even with cold source water, it is possible to maintain a 5-6 GPM while heating water up to 120F – though this may be considered a commercial usage of the product for warranty purposes.

We found this unit to be sturdy, well-made, and extremely dependable. It will work with PVC for exhaust venting.

If you’re looking for a whole-home solution that supports multiple people, then the Takagi T-H3-DV-N Condensing Indoor Tankless Water Heater is one of the best tankless water heaters to consider installing today. Once you get past the installation process, it is a simple, but effective solution for your hot water needs.

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