Takagi T-K4-OS Outdoor Tankless Water Heater, Propane, 190KBTU, incl. TK-RE02
Brand: Takagi
Part#: T-K4-OS-LP
Temporary Out of Stock
Usually ships: Upon availability

Takagi T-K4-OS-LP Tankless Water Heater with gas inputs up to 190,000 BTU per hour and an energy factor of 0.83.

Includes TK-RE02 Remote Temperature Controller.

The T-K4-OS-LP 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.  

  • 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
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Technical Specifications:
  • 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): 0.83
  • 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): 4.0" 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)
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Ask a Question
Tankless, propane, water heater what should GAS pressure be set at, at the tank using 30 feet of half inch copper tubing
Helpful? Yes No
Inlet LP gas pressure for this model should be 8" (min) - 14" (max) W.C., which is 0.29 - 0.50 psi.
By PexUniverse Customer Service on 10/26/2017

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