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Takagi T-H3S-OS-NG Outdoor High Efficiency Condensing Tankless Water Heater Natural Gas

Takagi T-H3S-OS-NG 00671657141196

Regular Price: $1,600.00

Special Price $1,159.20

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Takagi T-H3S-OS-NG Outdoor High Efficiency Condensing Tankless Water Heater Natural Gas , TH3SOSNG
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  • The all new T-H3S-DV/OS is available in 2 models the T-H3S-DV (Indoor) and the T-H3S-OS (Outdoor) having a max GPM is 8.0. Also offers Ultra-Low Nox condensing technology which provides 0.95 energy factor. Try the new T-H3S-DV/OS and see why Takagi offers the highest efficient and durable commercial tankless heaters on the market.
  • The primary heat exchanger is constructed of HRS35 Commercial-Grade copper which is more resilient against erosion. In addition to the added durability, the T-H3S-DV/OS is ENERGY STAR qualified. Indoor model includes a built-in temperature controller and diagnostics while the outdoor model includes a temperature remote controller.


  • Ultra-Low NOx Condensing Technology Provides
  • Significant Energy Cost Savings - Unprecedented 0.95 Energy Factor
  • ENERGY STAR Qualified
  • Durable HRS35 Commercial-Grade Copper Primary Heat Exchanger
  • Type 316L Stainless Steel Secondary Heat Exchanger
  • Electronic Ignition - No Pilot Light
  • Indoor Model has Built-in Temperature Controller and Diagnostics
  • Outdoor Model has Temperature Controller and Diagnostics Included
  • Factory-Installed Power Cord Included for Indoor Models
  • Complies with Lead Free Standards
  • Suitable for Commercial Application (T-H3 Models)
  • Easy-Link up to 4 Units with no Additional Parts or Accessories Needed (T-H3 Models)
  • Multi-Link up to 20 Units (T-H3 models only)
  • Internal Freeze Protection System
  • Power Direct Vent Design Provides Flexible
  • Venting with PVC, CPVC or ABS Intake and
  • Exhaust (solid core only) 
  • This Outdoor Model Includes a Temperature Remote Controller.

Specification :-

Energy Factor: 0.95
Inlet Gas Pressure: 5.0-10.5"W.C.
Product Type: Tankless Heater
Max Flow (GPM): 6.6
BTU (Max): 180000
BTU (Min): 15000
Fuel Type: Natural Gas
Vent Type: Direct Exhaust
Application: 2-4 Showers
Installation Type: Outdoor Only
Energy Star Rated: Yes
UPC / GTIN 00671657141196
Manufacturer Takagi
Water Heater Type Tankless Water Heater
Water Heater Function Condensing
BTU Input 180,000.00
Install Location Outdoor
Fuel Type Natural Gas
Depth 10.25
Height 22.50
Width 17.25
Specification Sheet for Takagi
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