Takagi T-K4-OS Outdoor Tankless Water Heater, Natural Gas, 190KBTU, incl. TK-RE02

Takagi

Brand: Takagi

Mfr Part#: T-K4-OS-NG

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Takagi T-K4-OS-NG Tankless Water Heater with gas inputs up to 190,000 BTU per hour and an energy factor of 0.82.

 

Includes TK-RE02 Remote Temperature Controller.

 

The T-K4-OS-NG has a built-in power venting system and was designed specifically for outdoor installations. The T-K4-OS does not require any additional Category III venting or vent caps, making installation one step easier for installers.

 

Takagi Tankless Water Heater T-K4-OS has max GPM of 8.0GPM and four preset temperatures: 113F, 122F (default), 131F, 140F.  

 

Features:

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;

Horizontal or Vertical Installation;

 

Specifications of Takagi T-K4-OS-NG:

Fuel Type: Natural Gas;

Max BTU Rating: 190,000 BTU/h;

Min BTU Rating: 11,000 BTU/h;

Max. Flow Rate: 8 GPM (Gallons Per Minute);

Water Pressure: 15 ‐ 150 psi (40 psi or above is recommended for maximum flow);

Energy Factor (Natural Gas): 0.82;

Hot/Cold Water Connections: 3/4" NPT;

Gas Connection: 3/4" NPT;

Weight: 34.6 lbs;

Dimensions (inches): 20.3" high x 13.8" wide x 8.5" deep;

Electric Consumption: 120 VAC ; Standby: 0.05 A, Operation: 0.73 A, Freeze-Protection: 0.93 A;

Ignition: Electric Ignition;

Natural Gas Pressure Inlet: 5.0" W.C. min.; 10.5" W.C. max;

Manifold Presure (Natural Gas): 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 (122F Default factory Setting);

Takagi T-K4-OS Outdoor Tankless Water Heater, Natural Gas, 190KBTU, incl. TK-RE02 has an average 5.0 out of 5 rating based on 1 user review.
 
Working good.
By Electrician (from CA) on 3/25/2016
Just finished installation descaling water filter and hope that this one will last longer than previous also Takagi TM1 (6,5 years) warranty was 5 years started leaking on one valve and burning computer board to expensive for repair, this one is little smaller capacity but looks build simpler. Wouldn't buy another Takagi but price was good, thanks Pex.
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What are the warranties on this model Takagi T-K4-OS NG.
Read 1 answer
For Takagi warranty information please see installation manual page 50.
Answered on 5/10/2012 by PexUniverse Customer Service
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