background image

Residential / Commercial Gas 
Ultra-Low NOx 
Tankless Water Heaters

Fully modulating, gas fired, tankless water heater with sealed
combustion and power vented flue. Indoor and outdoor models
available for residential applications. Supplies hot water to
domestic hot water systems (directly or indirectly) can be used
with water storage tanks, recirculation systems, hydronic heating
systems, radiant floor heating systems, and/or combined
domestic & heating applications.

® 

ANSI Z21.10.3 

CSA 4.3

OUTDOOR MODELS

T-KJr2U-OS-N, T-K4U-OS-N, 

T-D2U-OS-N

INDOOR MODELS

T-KJr2U-IN-N, T-K4U-IN-N, 

T-D2U-IN-N

Page 1 of 2

www.takagi.com

TBGSS01212

(T-D2U models only)

FEATURES

COMPLIES WITH ULTRA-LOW
NOx REGULATIONS 

MAXIMUM FLOW RATES UP TO
10.0 GPM

PRIMARY HEAT EXCHANGER

Primary Heat Exchange is constructed 
of HRS35, a Commercial-Grade Copper
that is more resilient to erosion. HRS35 
is 25x better at heat transfer than 
stainless steel thus stabilizing outgoing 
water temperatures quicker

INDOOR AND OUTDOOR 
MODELS AVAILABLE

OUTDOOR MODELS INCLUDE 
REMOTE CONTROL AS A 
STANDARD FEATURE

INDOOR MODELS INCLUDE BOTH A 
REMOTE CONTROL AND POWER 
CORD AS STANDARD FEATURES

ENERGY STAR

®

QUALIFIED 

AVAILABLE IN NATURAL GAS

EASY-LINK UP TO 4 UNITS 
(T-D2U MODELS ONLY)

With no additional parts or
accessories needed

MULTI-LINK UP TO 20 UNITS 
(T-D2U MODELS ONLY)

COMPLIES WITH LEAD 
FREE STANDARDS

T-D2U-IN AND T-D2U-OS 
CAN BE USED IN BOTH 
RESIDENTIAL AND 
COMMERCIAL APPLICATIONS 

SAFETY FEATURES:

Built-in Freeze Protection
Manual Reset Hi Limit (Up to 194°F)
Overheat Cutoff Fuse
Inlet and Outlet Thermistors for
Constant Temperature Monitoring
Air Fuel Ratio Rod 
Flame Sensor

VENTING AND COMBUSTION

4” Category III Stainless Steel
Vertical or Horizontal Installation
50’ Max Length, 5 Elbows max 
(90° elbows = 5’ equivalent length)
Power Vent
Electronic Ignition - No Pilot Light
3” Combustion Air Intake (with
optional kit)

OPTIONAL ACCESSORIES

Complete Line of Stainless 
Steel Venting
Recess Box (outdoor)
Pipe Cover
Direct Vent Conversion Kit (indoor)
Isolation Valve Kits
Backflow Preventor
Concentric Termination Kits

WARRANTY

15-year limited warranty on heat
exchanger in residential applications
5-year limited warranty on heat
exchanger in commercial applications
5-year limited warranty on all parts

255045_TBGSS91212.indd 1

255045_TBGSS91212.indd   1

3/25/13   2:47 PM

3/25/13   2:47 PM

Sold by www.GadgetsGo.com Authorized Dealer

Summary of Contents for T-KJr2U-IN-N

Page 1: ...ARD FEATURE INDOOR MODELS INCLUDE BOTH A REMOTE CONTROL AND POWER CORD AS STANDARD FEATURES ENERGY STAR QUALIFIED AVAILABLE IN NATURAL GAS EASY LINK UP TO 4 UNITS T D2U MODELS ONLY With no additional parts or accessories needed MULTI LINK UP TO 20 UNITS T D2U MODELS ONLY COMPLIES WITH LEAD FREE STANDARDS T D2U IN AND T D2U OS CAN BE USED IN BOTH RESIDENTIAL AND COMMERCIAL APPLICATIONS SAFETY FEATU...

Page 2: ...N N Natural 15 000 140 000 0 82 5 0 10 5 6 6 20 1 4 13 3 4 120 0 54 4 O D 3 0 O D 3 4 NPT 37 T KJr2U OS N Natural 15 000 140 000 0 82 5 0 10 5 6 6 20 1 4 13 3 4 120 0 54 4 O D 3 0 O D 3 4 NPT 37 T K4U IN N Natural 15 000 190 000 0 82 5 0 10 5 8 0 20 1 4 13 3 4 120 0 83 4 O D 3 0 O D 3 4 NPT 37 T K4U OS N Natural 15 000 190 000 0 82 5 0 10 5 8 0 20 1 4 13 3 4 120 0 83 4 O D 3 0 O D 3 4 NPT 37 T D2U...

Page 3: ...9 3 8 493 mm 120 VAC 3 75 mm GAS 5 1 4 135 mm HOT 6 153 mm COLD 6 153 mm 9 1 2 241 mm 120 VAC 1 5 8 40 mm COLD 1 5 8 41 mm GAS 5 127 mm HOT 4 5 8 116 mm 13 3 4 350 mm 7 203 mm 1 5 8 43 mm 20 1 4 520 mm 1 7 8 47 mm 5 128 mm 7 180 mm 10 254 mm 4 94 mm CLEARANCES Top 36 Bottom 12 Front 24 Back 0 5 Sides 2 Sold by www GadgetsGo com Authorized Dealer ...

Page 4: ...tio sensor a hi limit temperature switch modulating and proportional gas valves a freeze protection sensor with ceramic heating blocks and an overheat cutoff fuse The water heater s shall be CSA listed exceed the energy efficiency requirements of ASHRAE 90 1b 2007 and shall comply with SCAQMD Rule 1146 2 Ultra Low NOx Standards 0 10 20 30 40 50 0 0 2 0 4 0 6 0 8 0 0 20 40 60 80 100 120 Pressure Lo...

Reviews: