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T-KJr2-INNG Tankless Indoor Water Heater (Natural Gas)

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Quick Specs:

  • Width: 13.8"
  • Height: 20.3"
  • Depth: 6.7"

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Released in 2010, the T-KJr2-IN  are the smallest water heaters in the Takagi tankless line. This small, but powerful unit can meet all the hot-water needs of a small American home or apartment with one or two bathrooms. Designed to virtually do anything a 40-gallon tank-type water heater can do and more, the compact, wall mounted T-K Jr. can support hydronic baseboard or radiant floor heating applications, as well as provide domestic hot water to plumbing fixtures and appliances.   Available at AppliancesConnection


  • Capacity: 1 to 2 Bathrooms
  • Flow Rate: Maximum 6.6 GPM
  • Gas Inputs: 19,500 to 140,000 BTU per hour
  • Energy Factor Rating: 0.82
  • Inlet Gas Pressure: Min: 5.0" W.C. / Max 10.5" W.C.
  • Dimensions: 20.3" H x 13.8" W x 6.7" D
  • Direct Vent Capability
  • Electric Ignition


Application: 1-2 Showers
Product Type: Tankless Heater
Installation Type: Indoor Only
  Direct Vent Convertible
Fuel Type: Natural Gas
Energy Factor: 0.82
Vent Size: 4"
Vent Type: Category III Stainless Steel
Inlet Gas Pressure: 5.0-10.5"W.C.
Manifold Pressure: 2.0-2.5"W.C.
Height: 20.3"
Width: 13.8"
Depth (Inches): 6.7"
Max Flow (GPM): 6.6
Gas Input: 19500-140000 BTU/h
Water Connection: 3/4"
Gas Connection: 3/4"
Temperature Range (F): 99°-167°F
PSI Range: 15-150 psi
Weight (lbs): 33 lbs



  • Brand:Takagi
  • UPC:671657108212
  • Stock Id:256085
  • Product Number:TKJR2INNG


  • Fuel Type:Natural Gas


  • Volts:120 Volts


  • Width:13.8"
  • Height:20.3"
  • Depth:6.7"

    Technical Details

  • Type:Tankless Heater
  • Installation Type:Indoor Only
  • Weight (lbs):33 lbs
  • Vent Type:Category III Stainless Steel
  • Temperature Range (F):99°-167°F
  • Vent Size:4"
  • Water Connection:3/4"
  • Gas Connection:3/4"
  • Gas Input:19500-140000 BTU/h
  • Energy Factor:0.82
  • Inlet Gas Pressure:5.0-10.5"W.C.
  • Manifold Pressure:2.0-2.5"W.C.
  • Max Flow (GPM):6.6
  • PSI Range:15-150 psi

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