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Whether it is the massive amount of energy bills you save with the tankless water heaters, or it is because of their ability to supply hot water at all times, people are now shifting towards these types of water heaters. They only work when you put the faucet on, and this feature can be very advantageous for someone who does not require a water tank in the house. The energy you could have used every day to heat a 50 gallons water tank when translated into a year can amount to hundreds in money saved.
Tankless water heaters like the Takagi models are powered by natural gas or propane. The natural gas powered heaters have high powered burners that ask for larger sized gas pipes than their propane powered counterparts. But as you will see in the Takagi tankless water heater reviews described below, each tankless water heater has some specific unique features which should guide to decide if it is the heater you need for your household requirements.
- Takagi T-KJr2-IN-NG
- Fuel: natural gas
- Power: 140,000 BTU
- Max flow rate: 6.6 gpm
- Energy factor: 0.81-0.83
- Dimensions: 6.7 x 13.8 x 20.3
- Takagi T-KJr2-IN-LP
- Fuel: propane
- Power: 140,000 BTU
- Max flow rate: 6.6 gpm
- Energy factor: 0.81-0.83
- Dimensions: 6.7 x 13.8 x 20.3
- Takagi T-H3-DV-N
- Fuel: natural gas
- Power: 199,000 BTUMa
- Max flow rate: 10 gpm
- Energy factor: 0.82
- Dimensions: 11.2 x 17.8 x 24.9
- Takagi T-K4-IN-LP
- Fuel: propane
- Power: 190,000 BTU
- Max flow rate: 8 gpm
- Energy factor: 0.82
- Dimensions: 8.5 x 13.8 x 20.5
- Takagi T-K4-IN-NG
- Fuel: natural gas
- Power: 190,000 BTU
- Max flow rate: 8 gpm
- Energy factor: 0.82
- Dimensions: 8.5 x 13.8 x 20.5
- Takagi T-KJr2-OS-NG
- Fuel: natural gas
- Power: 140,000 BTU
- Max flow rate: 6.6 gpm
- Energy factor: 0.82
- Dimensions: 6.7 x 13.8 x 20.5
Top 4 Takagi Tankless Water Heaters
Takagi T-K Jr2-IN-NG and Takagi T-K Jr-IN-LP
The T-K Jr2 is a powerful 140,000 BTU natural gas powered water heater fit to serve all the hot water supply needs of the average family. It can be operated both directly from a faucet and indirectly with storage tanks, hydronic heating systems, radio floor systems and heating applications. Its powerful burner enables an incredible water delivery rate of 6.6 gallons per minute while at 350 F but the flow rate reduces to 3.3 GPM if the temperatures are doubled. As for the extra features, this water heater comes with a stainless steel made venting system, surge protection, troubleshooting diagnostic codes and a remote control.
The T K Jr-IN LP, on the other hand, is a lighter propane powered water heater that is best suited for smaller apartments that are served by one or two faucets. But like the Jr2 described above, it is a 140,000 BTU machine and is capable of delivering hot water at a rate of up to 6.6 Gallons per minute. It also has a stainless steel made venting system that helps minimize energy costs. Its inlet, outlet thermistors are also features that make the water heater deliver water more efficiently.
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Takagi T-H3-DV-N Condensing Tankless Water Heater
The TH3 is a highly efficient condensing water heater that is powerful enough to cater for all the hot water needs of a medium sized or a big family. It works both directly with water sources and indirectly for heating hot water needed for either storage, recirculation or for heating applications requirements. With a gas input of up to 199,000 BTU, the heater can supply hot water for three separate bathrooms during a warm climate.
It has a water flow rate of 8 gallons per minute at 350 F, which makes it a very highly rated water heater in most Takagi water heater user feedback. It is also capable of delivering hot water enough to power two bathrooms during the winter season at a rate of 4.9 gallons per minute. On the other hand, this machine utilizes the HRZ35 commercial oriented copper alloy which is a much better heat transfer system than its stainless steel counterparts. Also, the safety features like a freeze, surge protection, and diagnostic codes add to the list of features that make it such a great fit. Finally, with its multiple energy regulation compliances and a 15-year limited heat exchanger, this model is surely a great water heater worth every penny asked for it.
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Takagi T-K4-IN-LP and Takagi T-K4-IN-NG
This model boasts of a powerful 190,000 BTU system that can deliver hot water at an impressive rate of 8 gallons per minute. It has an inbuilt power venting system which is not only easier for the installation process but is also great for enabling energy conservation in your home. This TK4 model can also be installed indoors with the option of accompanying it with a less powerful 11000 BTU system.
The T4 NG is a 2010 Takagi model that has taken the market by storm with its great features. While it is a smaller unit measuring only 13.8 inches wide and weighing 38 pounds, the machine delivers hot water incredibly well; with the capability of serving up to 3 bathrooms. Its compact size also helps during installation, but its 11,000-190,000 BTU ability is perhaps what makes it fair so well in Takagi reviews. On the other hand, a .82 energy factor coupled with an inlet gas pressure of between 5” and 10.5” makes it a perfect buy for people looking for both efficiency and energy conservation. Finally, the direct vent system adds on the reasons why your energy bills would get reduced with a machine of this caliber.
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Takagi T-K Jr2-OS-NG
Running on natural gas, the OSNG is definitely a powerful model water heater. In fact, its .82 energy factor comes after serving hot water with a BTU per hour factor of between 19,500 and 140,000. Its water flow rate ability is 6.6 gallons per minute while at the normal 350 F. But for people who use water as hot as 700 F, they can use the water while flowing at a fair rate of 3.3 gallons per minute. It is also an external vent capable machine and can run on propane gas with a BTU input of between 17,000 and 140,000. In terms of measurements, the OSNG is only 2.5 inches tall, which is not very big considering the efficiency the machine delivers. It also weighs 37.4 pounds and comes with a 12-year limited residential heat exchanger warranty.
It is also an external vent capable machine and can run on propane gas with a BTU input of between 17,000 and 140,000. In terms of measurements, the OSNG is only 2.5 inches tall, which is not very big considering the efficiency the machine delivers. It also weighs 37.4 pounds and comes with a 12-year limited residential heat exchanger warranty.
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Conclusion
Before buying any tankless water heater, the first thing that comes to mind is the expectations your family has from such a machine. Water heaters undoubtedly serve hot water needs, but different families have different expectations. For instance, one family may be in need of a heater that can serve three bathrooms at a go, but another might be looking for a water heater that will serve the dishwasher hot water needs a lot.
But irrespective of your own expectations, Takagi puts itself on the mark by providing a variety of water heaters that may serve the needs of different families. The smaller units, mainly served by propane gas might be the perfect deal if all you need is hot water for a single bathroom and maybe your kitchen sink whereas the more powerful machines powers hot water to serve all the needs of a family. As you may have also realized from these Takagi tankless water heater reviews, all the models have great energy factors, which is an assurance of efficiency and energy conservation. Finally, the machines have also got various features meant for safety reasons.
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