Takagi T-KJr2-IN-NG Natural Gas Tankless Water Heater, 6.6 GPM for Indoor Usage

Another commendable appliance from Takagi, the T-KJr2-IN-NG Indoor Tankless Water Heater provides an endless supply of hot water, as long as the water heater is sized according to a home’s needs. Takagi brings with it years of experience in the tankless water heater industry and carries almost 50 different types of tankless water heaters. Whether users live in a two-bedroom, two-bathroom apartment, or a 5-bedroom, 5-bathroom house, Takagi has a water heater that’ll fit the bill. Our team at TopTenWater.com has created a comprehensive review of this product for your convenience.

Description

Another commendable appliance from Takagi, the T-KJr2-IN-NG Indoor Tankless Water Heater provides an endless supply of hot water, as long as the water heater is sized according to a home’s needs. Takagi brings with it years of experience in the tankless water heater industry and carries almost 50 different types of tankless water heaters. Whether users live in a two-bedroom, two-bathroom apartment, or a 5-bedroom, 5-bathroom house, Takagi has a water heater that’ll fit the bill. Our team at TopTenWater.com has created a comprehensive review of this product for your convenience.

The Takagi T-KJr2-IN-NG is a compact gas fired unit that is fully modulating. Designed to meet and exceed most residential applications, this tankless water heater supplies ample hot water for as many as two bathrooms in relatively warm climate. The T-KJr2-IN-NG can provide water to two showers, depending on the temperature of incoming ground water. Direct or indirect supply can be provided to local hot water systems and the device can be used with recirculation systems, storage tanks, radiant floor systems, hydronic heating systems, and/or heating & domestic applications.

The T-KJr2-IN-NG Natural Gas Tankless Water Heater comes with a 15-year limited warranty on its heat exchanger and a 5-year limited warranty on parts, as long as the application is residential. For user convenience, the appliance comes with a remote control. Venting is performed through Category 3 stainless steel, so safety is clearly a top priority for Takagi. In addition, customers get to enjoy enhanced safety in the form of overheat, freeze, troubleshooting/diagnostic, and surge protection codes.

  • Takagi incorporates cutting-edge technology not just in the T-KJr2-IN-NG Tankless Water Heater, but also in its complete product line.
  • The AFR (Air-Fuel Ratio) Sensor ensures proper combustion in the appliance. An advanced onboard computer adjusts the internal fan’s motor speed so that there is an optimal mixture of air and fuel. This in turn cuts emissions and improves efficiency.
  • The max flow rate for this appliance is 6.6 Gallons Per Minute for incoming ground water temp of 75F degrees and the energy factor falls between 0.81 and 0.83.
  • For cooler climates, the T-KJr2-IN-NG Takagi comes with Freeze Protection technology that protects the heater when it’s used in conditions where temperatures may fall below 0.
  • This system makes sure that water inside the heat exchanger doesn’t freeze, thereby preventing damage to the unit.

 

GOODBAD
Compact form for easy installationFiltered air required for operation
Natural gas-poweredApplication limited to 2 bathrooms
Affordable pricingTechnical knowledge needed for installation
Strong performanceWarranty void if installed without professional

Features

  • Steady hot water supply on demand
  • Remote control provided for convenience
  • ¾ inch water connection required
  • Copper heat exchanger
  • 14,000 maximum BTU, low emissions
  • 20.3″ H x 13.8″ W x 6.7″ D.
EmissionsLow NOx
Minimum BTUs19,500
Maximum BTUs140,000
Water Connection3/4″
MultilinkNo
Water Connection LocationBottom
VoltageAC 120V
Flow Rate6.60
UEF0.79
Remote ControlYes
LEED Rating0.0
Heat ExchangerCopper
ENERGY STAR® QualifiedNo
TechnologyNon-Condensing
Height20.25″
Width13.75″
Vent TypeDirect Vent
Product Weight 38 lbs.
Depth7.75″
Vent Size4″

Based on our extensive research, the majority of users had positive things to say about the T-KJr2-IN-NG Takagi Indoor Tankless Water Heater. It’s a reliable unit that requires little to no maintenance, and as long as it’s used for applications it has been designed for, consumers will not run into any major issues or malfunctions. People have purchased this unit for use all around the world, from Australia to the United States, and in between.

The most common comment that we found among satisfied users was that they saw a significant drop in their power consumption. Many said it was among the best units in terms of value for money. However, some said that if users intend to use more than 1 shower at a time, this unit may not suffice. Instead, you’re better off getting a tankless water heater with higher GPM. However, the general picture is positive for this Takagi heater.

Amazon customers love the fact that the unit is relatively small, so for those who want to install it themselves, it can be done. The majority of users loved having endless hot water and enjoyed not having a cumbersome tank. Some people provided positive reviews several years after purchasing the appliance, indicating that it’s a reliable tankless water heater.

Some people didn’t like the fact that in cooler temperatures, the T-KJr2-IN-NG Takagi Indoor Tankless Water Heater cannot provide hot water to more than one shower. In addition, for those who have cooler temperature ground water, the unit losses its efficiency. In addition, many users expected the unit to be plug and play, however, it requires proper installation, along with the purchase of other accessories such as an exhaust kit, direct vent conversion kit, gas fitting, and a vent cover.

Several contractors took the time out to write reviews on this Takagi Tankless Water Heater, and they claimed this is their “go-to” heater for residential applications. They stated it’s a reliable unit that continues to perform in all types of conditions. Many suggested installing a re-circulator to avoid any sort of wait to get hot water after turning the tap on.

One user complained about the unit not working after a few days of installation. They contacted Takagi, but the company didn’t send them a replacement unit. Instead, the company sent replacement parts. While this was a good move on Takagi’s part, the user had to call in a licensed professional every time to install the replacement parts. This drove up their overall cost of owning and maintaining the tankless water heater. Also, one user complained about replacing the onboard computer.

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