Takagi T-M50 User Manual
Commercial gas tankless water heaters, T-m50, Features

Commercial Gas
Tankless Water Heaters
Designed specifically for commercial applications. Fully
modulating, gas-fired, tankless, water heaters with sealed
combustion (optional) and power vented flue. Can be
installed indoors, outdoors, or direct vent. Capable of
supplying hot water for domestic hot water systems
(directly or indirectly) using water storage tanks,
recirculations systems, hydronic heating systems, radiant
floor heating systems, and/or combined domestic & heating
applications (local codes dictate proper compliance).
ANSI Z21.10.3
CSA 4.3
T-M50
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TCGSS00413
FEATURES
HEAT EXCHANGER IS
CONSTRUCTED OF HRS35
COMMERCIAL-GRADE COPPER*
■ Stronger than standard copper
and more resilient against erosion
CONTINUOUS MAXIMUM FLOW
RATES UP TO 14.5 GPM
EASY-LINK UP TO 4 UNITS
MULTI-LINK UP TO 10 UNITS
WITH TM-MC01
COMBINED INDOOR/
OUTDOOR MODELS
AVAILABLE IN NATURAL GAS OR
PROPANE
ASME MODELS AVAILABLE
LOW NOx EMISSIONS
COMPLIES WITH LEAD FREE
STANDARDS
SAFETY FEATURES:
■ Built in Freeze Protection
■ Manual Reset Hi-Limit
(Set at 194°F)
■ Overheat Cutoff Fuse
■ Inlet and Outlet Thermistors for
Constant Temperature Monitoring
■ Air-Fuel Ratio Rod
■ GFI, Fuse, and Surge Absorber
■ Flame Sensor
VENTING AND COMBUSTION
■ 5” Category III Vent
■ Vertical or Horizontal Installation
■ 50’ Max Length, 5 Elbows max
(90° elbows = 5’ equivalent length)
■ Power Vent
■ Electronic Ignition - No Pilot Light
■ 5” Combustion Air Intake (with
optional kit)
OPTIONAL ACCESSORIES
■ Multi-Unit Controller, TM-MC01
(Part Number 9007675005) for
systems of 5-10 heaters
■ Remote Temperature Controller
(9007603005)
■ Direct Vent Conversion Kit
■ Pipe Cover
■ Vent Cap
■ Backflow Preventor
■ Concentric Termination Kits
WARRANTY
■ 15-year limited warranty on heat
exchanger in residential
applications
■ 10-year limited warranty on heat
exchanger in commercial
applications
■ 5-year limited warranty on all parts
*only on non-asme products
TCGSS00413 T-M50 Spec Sheet_Spec Sheet Template 12/19/13 4:17 PM Page 1