TAKAGI TKJR2OS Tankless Water Heater Propane 6.6 GPM outdoor


Brand: Takagi

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Product Details


Natural Gas Input Min. 19,500 Btu Max. 140,000 Btu
LPG Input Min. 19,500 Btu Max. 140,000 Btu
Gas Connection 3/4" NPT
Water Connection 3/4" NPT
Natural Gas Pressure Inlet Min. 5.0" W.C. Max. 10.5" W.C.
LP Gas Pressure Inlet Min. 8.0" W.C. Max. 14.0" W.C.
Weight 33 lbs
Dimensions 20.5" x 13.8" x 6.7"
Ignition Electronic Ignition
Electrical Supply AC 120V (60 Hz)
Water Pressure Min. 15 psi Max. 150 psi
Natural Manifold Pressure 2.0-2.5" W.C.
LP Manifold Pressure 2.5-3.1" W.C.

The T-KJr2-OS-LP model is the smallest unit in the Takagi line-up. The T-KJr2-OS-LP is perfect for light residential (i.e. small apartment units) and radiant heating applications. This small but powerful unit, with gas inputs up to 140,000 BTU per hour, can meet all the hot water needs of a small American Home or apartment with one or two bathrooms. This unit will flow at a maximum of 6.6 gallons per minute. The Takagi T-KJr2-OS-LP can virtually do anything a 40 gallon tank-type water heater can do and more! Liquid Propane Fuel Type.


Safety, quality and service are the cornerstones of Takagi's success. We’ve been making tankless water heaters since 1952 worldwide. Our commitment to innovation and customer satisfaction is evidenced by the revolutionary and highly efficient tankless water heaters we’ve produced over the years.


  • Fully modulating, gas fired, tankless water heater
  • Outdoor installation only

Safety Features:

Air-Fuel Ratio (AFR) sensor
Exhaust & Water Temperature Safety Control
Overheat Cutoff Fuse

  • Internal Freezer-Protection System
  • Manual reset high limit switch
  • Temperature Remote Controller included (TK-RE02)

Venting & Cobustion

  • No Venting Required
  • Electric Ignition