Indoor Tankless Water Heater, Propane, 190K BTU

Indoor Tankless Water Heater, Propane, 190K BTU
Indoor Tankless Water Heater, Propane, 190K BTU QR Code
Views: 3622 Product Code: T-K4-IN-LP


Weight:44.00 lb

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

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The T-K4-IN-LP from Takagi is an Indoor Tankless Water Heater, Propane, 190K BTU. The all new Takagi T-K4-IN-LP has an impresive max GPM of 8.0GPM.

Includes TK-RE02 Remote Temperature Controller.

This Tankless Water Heater adds 1 more shower over the Takagi T-KJr2 at minimal increase in cost and is perfect for domestic hot water as well as hydronic/radiant heating applications in mid size residential homes or apartments with 2-3 bathrooms.

Takagi Tankless Water Heater T-K4-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 (indirect vent), 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;


  • Fuel Type: Propane;
  • 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 (Propane): 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;
  • Propane Pressure Inlet: 8.0" W.C. min.; 14.0" W.C. max;
  • Manifold Presure (Propane): 3.7" 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);
  • 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;
Product Specs
Application: 2-3 Showers
Depth (Inches): 8.5"
Energy Factor: 0.82
Energy Star Rated: Yes
Fuel Type: Propane
Gas Connection: 3/4"
Gas Input: 11000-190000 BTU/h
Height: 20.3"
Inlet Gas Pressure: 8.0"-14.0"W.C.
Installation Type: Indoor Only
Max Flow (GPM): 8
Product Type: Tankless Heater
PSI Range: 15-150 psi
Temperature Range (F): 99°-167°F
Vent Size: 4"
Vent Type: Direct Vent Convertible
Venting Requirement: Category III Stainless Steel
Voltage: 120v
Water Connection: 3/4"
Weight (lbs): 38 lbs
Width: 13.8"
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