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T-M50 25" Tankless Water Heater With Max 380,000 BTU/h, Electronic Ignition, Internal Pump Control Port, Air-Fuel Ratio Rod, Flame Sensor, Built In Freeze Protection, In White

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  • Width: 24.8"
  • Height: 25.3"
  • Depth: 11.8"

The T-M50 is a 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 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.An ASME version is also available. Available at AppliancesConnection


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
  • ASME version uses C1220 copper
  • 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


Natural Gas Input Min. 15,000 Btu Max. 380,000
LPG Input Min. 15,000 Btu Max. 380,000
Gas Connection 1" NPT  
Water Connection 1" NPT  
Natural Gas Pressure Inlet Min. 5.0" W.C. Max. 10.5" W.C.
LP Gas Pressure Inlet Min. 8.0" W.C. Max. 14" W.C.
Weight 112 lbs  
Dimensions 25.3" X 24.8" X 11.8"  
Ignition Electronic Ignition  
Electrical Supply AC 120V (60 Hz)  
Water Pressure Min. 15 PSI Max. 150 PSI


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  • Brand:Takagi
  • SKU:TM50
  • Stock Id:344890
  • Product Number:TM50


  • Fuel Type:Other
  • Tankless:Yes
  • Gallons Per Minute:0.5-14.5


  • Width:24.8"
  • Depth:11.8"
  • Height:25.3"

    Technical Details

  • Voltage:120 Volts
  • Usage:Residential
  • ASME:Other
  • Weight:120.00 lbs