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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.
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
Page 1 of 2
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
(T-D2U models only)
www.takagi.com
Sold by www.GadgetsGo.com Authorized Dealer
INDOOR MODELS
T-KJr2U-IN-N, T-K4U-IN-N,
OUTDOOR MODELS
T-KJr2U-OS-N, T-K4U-OS-N,
®
T-D2U-IN-N
T-D2U-OS-N
ANSI Z21.10.3
CSA 4.3
TBGSS01212
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Summary of Contents for Takagi T-KJr2U-IN-N
- Page 1 Built-in Freeze Protection MAXIMUM FLOW RATES UP TO Manual Reset Hi Limit (Up to 194°F) INDOOR MODELS 10.0 GPM Overheat Cutoff Fuse T-KJr2U-IN-N, T-K4U-IN-N, Inlet and Outlet Thermistors for T-D2U-IN-N PRIMARY HEAT EXCHANGER Constant Temperature Monitoring Primary Heat Exchange is constructed...
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Page 2: Front View
NUMBER TYPE BTU/H BTU/H W.C. W.C. GPM** HEIGHT WIDTH DEPTH VOLT FLUE* (OPTIONAL) CONN. (LBS) (EF) T-KJr2U-IN-N Natural 15,000 140,000 0.82 10.5 20-1/4 13-3/4 9-1/2 0.54 4” O.D. 3.0” O.D. 3/4” NPT T-KJr2U-OS-N Natural 15,000 140,000 0.82 10.5 20-1/4 13-3/4 9-1/2 0.54... - Page 3 1-7/8" (47 mm) 120 VAC 1-5/8" (40 mm) HOT 4-5/8" (116 mm) COLD 1-5/8" (41 mm) GAS 5" (127 mm) CLEARANCES: Top 36”, Bottom 12”, Front 24”, Back 0.5”, Sides 2” Page 3 of 4 www.takagi.com TBGSS01212 Sold by www.GadgetsGo.com Authorized Dealer...
- Page 4 Temperature Rise (°F) Specification Water heater(s) shall be Model_____________________ as manufactured by Takagi. Water heater(s) shall be a copper coil integral fin and tube construction with quick release brass or bronze waterways. Heater(s) will be factory assembled and tested. The heater shall be vented with 4” stainless steel Category III vent pipe or Special BH type gas vent at a distance not to exceed 50’ (equivalent) for 4” vent, terminating vertically or horizontally as prescribed.
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