TAKAGI TM50 Tankless Water Heater Natural Gas 14.5 GPM Indoor,outdoor

Item#: TM50N

Brand: Takagi

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Product Details

Tech Specs

Emissions: Low NOx
Maximum BTUs: 380,000
Minimum BTUs: 19,500
Water Connection Location: Bottom
Water Connection: 0.75"
Flow Rate: 14.50
Heat Exchanger: Copper
Voltage: AC 120V
Thermal Efficiency: 0.80
ENERGY STAR® Qualified: No
Remote Control: No
Technology: Non-Condensing
Multilink: Yes

Dimensions & Venting

Height: 24.88"
Width: 25.25"
Depth: 12.25"
Product Weight: 113 lbs.
Vent Type: Direct Vent
Vent Size: 5"

The T-M50-NAT is a Natural Gas, fully modulating, gas fired, tankless water heater perfect for heavy-duty commercial applications. With gas inputs of 380,000 BTU, the T-M50 can produce enough hot water for six bathrooms in warmer climates. The T-M50-NAT supplies hot water to domestic hot water systems (directly or indirectly) which can be used with storage tanks, recirculation systems, hydronic heating systems, radiant floor systems, and/or domestic & heating applications.


Safety, quality and service are the cornerstones of Takagi's success. We’ve been making tankless water heaters since 1952 worldwide. Our commitment to innovation and customer satisfaction is evidenced by the revolutionary and highly efficient tankless water heaters we’ve produced over the years.


  • Maximum flow rate of 14.5 GPM at 35°F temperature rise (8.7 GPM at 70°F rise)
  • Thermal Efficiency of 80.2% for NG and 82.4% for LPG
  • Heat exchanger utilizes HRS35 commercial-grade copper alloy for 25 times better heat transfer than stainless steel
  • Dual heat exchanger design provides redundancy for added reliability an industry exclusive!
  • Indoor model includes both a remote control and power cord as standard features
  • Outdoor model includes remote control as standard feature
  • NSF certified for commercial applications
  • Internal pump control port
  • Easy-Link up to four units without an additional remote control
  • Multi-Link up to 20 units
  • Venting with Category III stainless steel
  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes