Takagi T-K4-OS Outdoor Tankless Water Heater, Natural Gas, 190KBTU, incl. TK-RE02
Brand: Takagi
Part#: T-K4-OS-NG
In Stock
Usually ships: within 1 business day

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
 
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Technical Specifications:
  • 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 Pressure (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)
 
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