Takagi T-KJr2-IN Indoor Tankless Water Heater, Propane, 140KBTU, incl. TK-RE02
Brand: Takagi
Part#: T-KJr2-IN-LP
This product has been discontinued.
Direct Replacement:
SKU: TK-110U-I
Brand: Takagi

Takagi T-KJr2-IN-LP Tankless Water Heater is the smallest water heater in the Takagi tankless line with gas inputs up to 140,000 BTU per hour and an energy factor of 0.81-0.83.

Includes TK-RE02 Remote Temperature Controller.

This cost-efficient and environmentally friendly Takagi Tankless Water Heater can support hydronic baseboard or radiant floor heating applications, as well as provide domestic hot water to plumbing fixtures and appliances. Takagi T-KJr2-IN-LP can meet all the hot-water needs of a small American home or apartment with one or two bathrooms.

At an average (rise in temperature) of 60F in warmer areas Takagi T-KJr2-IN-LP Tankless Water Heater will provide 228 GPH (3.8 GPM) and enough hot water for one shower and a lavatory basin at a time; or one low-flow shower (2.5 GPM or less) and an appliance, such as a dishwasher or washing machine, at the same time. In colder areas where the input temperature may be 40F or less you can expect a flow rate of about 174 GPH (2.9 GPM) and running only one major fixture at a time. Please refer to the flow charts for specific rates. The All new Takagi T-KJr2-IN-LP has a max GPM of 6.8GPM.

Takagi Tankless Water Heater T-KJr2-IN has four preset temperatures: 113F, 122F, 131F, 140F.  

To convert the water heater from a standard vent system to a direct‐vent (or sealed combustion) system, use a TK-TV10 Direct‐Vent Conversion Kit. By default, the unit will use the intake air from the room where it is installed.

  • Fully modulating, gas fired tankless water heater
  • Indoor installation only(Direct-vent convertible)
  • Safety Features:
  • - Air-Fuel Ratio (AFR) sensor
  • - Exhaust & Water Temperature Safety Control
  • - Overheat Cutoff Fuse
  • Internal Freeze-Protection System
  • Manual reset high limit switch
  • Horizontal or Vertical Installation
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Technical Specifications:
  • Fuel Type: Propane
  • Max BTU Rating: 140,000 BTU/h
  • Min BTU Rating: 19,500 BTU/h
  • Max. Flow Rate: 6.8 GPM (Gallons Per Minute)
  • Min. Flow Rate: 0.75 GPM (Gallons Per Minute)
  • Water Pressure: 15 - 150 psi (40 psi or above is recommended for maximum flow)
  • Energy Factor (Propane): 0.83
  • Capacity: 2 fixtures (at 60F or higher inlet water temp.) or 1 fixture (at 40F inlet water temp.)
  • Hot/Cold Water Connections: 3/4" NPT
  • Gas Connection: 3/4" NPT
  • Weight: 28.7 lbs
  • Dimensions (inches): 20.5" high x 13.8" wide x 6.7" deep
  • Electric Consumption: 120 VAC
  • Standby: 0.05 A, Operation: 0.61 A, Freeze-Protection: 0.93 A
  • Ignition: Electric Ignition
  • Propane Inlet Pressure: 8.0" W.C. min.
  • 14" W.C. max
  • Manifold Presure (Propane): 2.5" W.C.
  • Temperature Settings (dipswitch settings without remote controller): 113F, 122F, 131F and 140F
  • Temperature Range (with TK-RE02 Remote Control): 99 - 167F
  • Venting Intake: 3" O.D. (ABS, PVC, Galvanized Steel, Corrugated Stainless Steel or Category III/IV Stainless Steel)
  • Flue/Exhaust: 4" O.D. (Category III Stainless Steel)
  • Vent: 50' Max Length, 5 elbows max
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