Outdoor Tankless Water Heater, Natural Gas, 140K BTU

Outdoor Tankless Water Heater, Natural Gas, 140K BTU
Outdoor Tankless Water Heater, Natural Gas, 140K BTU QR Code
Views: 3218 Product Code: T-KJr2-OS-NG



Weight:38.00 lb

Dimensions (L x W x H ): 17.00 x 14.00 x 28.00

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The T-KJR2-OS-NG from Takagi is an Outdoor Tankless Water Heater, Natural Gas, 140K BTU. This 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-OS-NG 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-OS-NG 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-OS-NG has a max GPM of 6.8GPM.


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 Freeze-Protection System;
Manual reset high limit switch;

Technical Specifications:

  • NG Input Min. 19,500 Btu Max. 140,000 Btu;
  • Max Flow Rate 6.6 GPM;
  • Gas Connection 3/4" NPT;
  • Water Connection 3/4" NPT;
  • NG Gas Pressure Inlet Min. 5.0" W.C. Max. 10.5" W.C.;
  • Weight 29 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 ;
  • NG Manifold Pressure 2.5" W.C.;
Product Specs
Application: 1-2 Showers
Depth (Inches): 6.7"
Energy Factor: 0.82
Energy Star Rated: Yes
Fuel Type: Natural Gas
Gas Connection: 3/4"
Gas Input: 19500-140000 BTU/h
Height: 20.3"
Inlet Gas Pressure: 5.0-10.5"W.C.
Installation Type: Outdoor Only
Manifold Pressure: 2.0-2.5"W.C.
Max Flow (GPM): 6.6
Product Type: Tankless Heater
PSI Range: 15-150 psi
Temperature Range (F): 99°-167°F
Voltage: 120v
Water Connection: 3/4"
Weight (lbs): 33 lbs
Width: 13.8"
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