Takagi T-H3S-OS-N 95% 180k btu Outdoor Unit

To check availability, call us at 1-800-360-1569 or visit our online store.

takagi tankless water heaters Takagi T H3S OS N 95% 180k btu Outdoor UnitManufacturer: Takagi

Model #: T-H3S-OS-N

Price: $1129.00

 Takagi T-H3S-OS-N 95% 180,000 btu Outdoor Unit

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.


  1. Specifications
  2. Sale sheet 


Natural Gas Input Min. 15,000Btu Max. 180,000Btu
LPG Input Min. 13,000Btu Max. 180,000Btu
Gas Connection 3/4" NPT  
Water Connection 3/4" NPT  
Natural Gas Pressure Inlet Min. 5.0" W.C.  
LP Gas Pressure Inlet Min. 8.0" W.C.  
Weight 58 lbs  
Dimensions 22-1/2" H x 17-3/4" W x 10-3/4" D  
Ignition Electronic ignition  
Electrical Supply AC 120C (60 Hz)  
Water Pressure Min. 15 psi Max. 150 psi
Natural Manifold Pressure 2.0-2.5" W.C.  
LP Manifold Pressure 3.7-4.5" W.C.  

Residential: 12-year limited heat exchanger warranty / 5-year limited parts warranty

Commercial: 5-year limited heat exchanger warranty / 5-year limited parts warranty

The T-H3S-DV/OS is ideal for residential applications.

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
  • 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
  • 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).
  • Factory-Installed Power Cord Included for Indoor Models

To check availability, call us at 1-800-360-1569 or visit our online store.

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