Takagi T-M50-NG Commercial Natural Gas or Liquid Propane Indoor Tankless Water Heater 14.5 GPM

- Item #: BCI1880935

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Commercial Natural Gas Indoor Tankless Water Heater 14.5 GPM

The NEW T-M50 model, also know as "The Monster" was specifically designed for heavy-duty commercial applications. The T-M50 offers "true commercial grade" components and can be Easy-Linked and Multi-Linked to meet high demands. The T-M50 also offers a dual-combustion system for added redundancy. Try the new T-M50 or T-M50 ASME model and see why Takagi offers the most durable and best quality commercial tankless heaters on the market!

Since there is no tank to fill, there is no end to your supply of hot water. Depending on the model, Takagi Tankless water heaters deliver between 200 gallons and 500 gallons of hot water every hour on demand. Tankless systems guarantee that an endless supply of water is available to residences, commercial spaces or anywhere a constant source of hot water is needed.


  • Natural Gas Input: (Min.) 15,000 Btu
  • Natural Gas Input: (Max.) 380,000 Btu
  • Gas Connection: 3/4" NPT
  • Water Connection: 3/4" NPT
  • Dimensions: 25.3" x 24.8" x 11.8"
  • Ignition: Electronic Ignition
  • Electrical Supply: AC 120V (60 Hz)
  • Works with All Accessories

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

Our SKU: Takagi T-M50-NG

This product is listed under the following manufacturer number(s):

  • Takagi TM50NG

*Denotes a finish or option that has been discontinued

Takagi T-M50-NG Product Specifications

Specification Sheet
Approved for Commercial Use Yes
Configuration Tankless Water Heater
Default Temperature 120
Depth 11.8
Fuel Type Natural Gas
Function Non-Condensing
Gas Connection 1", 3/4"
Height 25.3
Ignition Type Electronic
Indoor Installation Yes
Liquid Propane Input (Min) 15000
Liquid Propane Pressure (Max) 14.0 WC
Liquid Propane Thermal Efficiency 82.4%
Low Lead Compliant Yes
Maximum Elbows 5
Maximum Gas Input 380000
Minimum Gas Input 15000
NG Energy Factor .8
Natural Gas Input (Max) 380000
Natural Gas Input (Min) 15000
Natural Gas Thermal Efficiency 80.2%
Outdoor Approved Yes
Outdoor Installation Yes
Power Supply AC 120V
Product Weight 112
Temperature (Max) 185
Temperature (Min) 100
Voltage 120
Water Pressure (Max) 150, 156
Water Pressure (Min) 15, 21
Width 24.8

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

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