Takagi T-H3-OS-LP

Liquid Propane TH3 Series 199000 BTU Outdoor Whole House Tankless Water Heater

Item # BCI2223780   |   Model # T-H3-OS-LP   |  TH3 Collection

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Liquid Propane
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This product has additional required/recommended options. To configure, add to your cart.

  • Thermostat Recommended
  • Covers Recommended
  • Recess Box Recommended

This durable Energy Star® qualified tankless hot water heater is perfect for light commercial applications like small restaurants or beauty salon. The TH30 has a .95 energy factor features HRS35 copper alloy for the heat exchanger tubing and is also suitable for heavier residential usages such as domestic recirculation systems and space heating.


  • Capacity 3-4 Showers (Depending on climate)
  • Gas Fired Tankless Water Heater
  • Outdoor Installation Only
  • ENERGY STAR® qualified
  • Links up to 4 Units
  • Multi-Link up to 20 units
  • Safety features (freeze, overheat, surge protection, and troubleshooting diagnostic codes)


  • Max Flow Rate of 10.0 GPM at 35 degree Temperature rise
  • Min 15,000 BTU/h
  • Max 199,000 BTU/h
  • Energy Factor - 0.95
  • Dimensions - H 22.4" x W 17.7" x D 10.7"
  • Weight - 59 lbs
  • Clearance- Top: 36", Bottom: 12", Front: 24", Back: 0.5", Sides: 2 "
  • 100-185 degrees (17 Settings in 5 degree intervals)


  • No venting required
  • Electric Ignition


  • S9007603005 - Temperature Remote Control (Included)
  • 9007674005 or 9007671005- Pipe Cover
  • TH-NT01- Neutralizer Kit.


Why choose Takagi? Takagi produce some of the most highly efficient tankless water heaters in the industry. With a commitment to innovation and quality, they are constantly creating new technology to keep up with their customers’ ever-changing hot water needs. Takagi sets the bar with the most stringent of durability testing standards for all of our models. For 15 years, Takagi has provided the most eco-friendly, energy-efficient water heating solutions in North America.

Additional Takagi Links

This Takagi item can also be referenced by the following color/finish specific model #:

  • Takagi T-H3-OS-LP
    Liquid Propane
  • Takagi T-H3-OS-NG
    Natural Gas

*Discontinued model or finish

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