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T1091
Takagi T-H3M-IN-N-IN Natural Gas Tankless Water Heater

140,000 Btu - Natural Gas - Indoor Installation



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Takagi T-H3M-IN-N IN Instant Water Heater or Heat Source for Radiant Heat Applications

Takagi T-H3M-IN-N On Demand Water Heater highlights:
• Runs 1 single shower heads or 1 and 1 minor uses *
• Direct Vent (Sealed Combustion - Outside Air)
• Must use 4" Cat III Stainless Steel Sealed of PVC Dedicated Exhaust Pipe
• Horizontal or Vertical venting
• 4.0 gpm at a 55° rise - Max 6.60 gpm
• Efficient Condensing Tankless Water Heater


* Major use - 2.5 gpm per use - (single shower head, dishwasher, washing machine) with 55-Degree Rise


Takagi T-H3M-IN-N Natural Gas Tankless Water Heater - Tech Info
BTU Input 15,000-120,000 BTU
Average Efficiency 93%
Ignition Electronic
Minimum Flow to Activate 0.5 gpm
Capacity (gpm) 4.2 @ 50°F rise 4.0 @ 55°F rise
3.7 @ 60°F rise
3.1 @ 70°F rise
2.9 @ 80°F rise
2.7 @ 90°F rise
Weight 44 Pounds
Dimensions 22 7/8" h by 13 7/8" w 10 13/16" d
Modulating Gas Valve Yes


Takagi T-H3M-IN-N Natural Gas Tankless Water Heater - Specifications
Electrical Supply 120 Volts
Exhaust Vent Size 4" - Sealed Stainless CAT III Steel Piping or PVC
Intake Vent Size 3"
Exhaust Vent Termination Vertical or Horizontal
Gas Connection 1/2" Male NPT
Water Connections 3/4" Male NPT
Natural Gas (NG) Pressure 5 to 10.5" W.C.
Water Pressure Min: 15 PSI
Max: 150 PSI


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Takagi T-H3M-IN-N Natural Gas Tankless Indirect Water Heater and Heating Applications

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