T-D2U - 199,000 BTU Natural Gas Indoor Non-Condensing Ultra-Low NOx

T-D2U-IN-N

T-D2U-IN-N (Indoor)

ENERGY STAR QualifiedThe T-D2U series is well suited for residential/commercial applications such as small restaurants and beauty salons. Utilizing HRS35 copper alloy for the heat exchanger tubing, the T-D2U series is also suitable for heavier residential usages such as space heating or domestic recirculation systems. With gas inputs of 199,000 BTU, the T-D2U can produce enough hot water for up to four bathrooms in warmer climates and it also complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)

Number of showers this unit can handle, depending on ground water temperature.

Warmer Climates

Cooler Climates

Overview

The T-D2U 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.

  • ENERGY STAR® qualified
  • 15-year limited heat exchanger, 5 yrs limited parts Residential use
  • 10-year limited heat exchanger, 5 yrs limited parts Commercial use
  • Energy Factor of 0.82 for Natural Gas
  • Maximum flow rate of 10.0 GPM at 35°F temperature rise (4.7 GPM at 70°F rise)
  • Includes both a remote control and power cord as standard features
  • Venting with Category III stainless steel
  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes
  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
  • Easy-Link up to four units without a Multi-Unit Controller
  • Multi-Link up to 20 units with a Multi-Unit Controller

Tech Specs

Emissions: Ultra Low NOx
Maximum BTUs: 199,000
Minimum BTUs: 19,500
Water Connection Location: Bottom
Water Connection: 0.75"
Flow Rate: 10.00
Heat Exchanger: Copper
Voltage: AC 120V
Energy Factor: 0.82
ENERGY STAR® Qualified: Yes
Remote Control: Yes
Technology: Non-Condensing
Multilink: Yes

Dimensions & Venting

Height: 20.25"
Width: 13.75"
Depth: 9.50"
Product Weight: 39 lbs.
Vent Type: Direct Vent
Vent Size: 4"

Venting

KITS

 

9008339005
4" Combustible Sidewall Termination Kit
Kit Part # Description
9008339005 4” Combustible Sidewall Termination
1 9007999005 1 - 4" Sidewall Hood Terminator
2 9008345005 1 - 4" Wall Thimble (4.0"-7.0")
3 9007980005 1 - 4" 90 degree Elbow
4 9007979005 1 - 4" Female-Female Adaptor

9008481005
4" Non-Combustible Sidewall Termination Kit
Kit Part # Description
9008481005 4" Non-Combustible Sidewall Termination
1 9007999005 1 - 4" Sidewall Hood Terminator
2 9007980005 1 - 4" 90 degree Elbow
3 9007979005 1 - 4" Female-Female Adaptor

9008489005
4" Combustible Sidewall Termination Kit (With Condensate Trap)
Kit Part # Description
9008489005 4” Combustible Sidewall Termination (With Condensate Trap)
1 9007999005 1 - 4" Sidewall Hood Terminator
2 9008345005 1 - 4" Wall Thimble (4.0"-7.0")
3 9007980005 1 - 4" 90 degree Elbow
4 9008146005 1 - 4" Universal Appliance Adaptor

9008490005
4" Non-Combustible Sidewall Termination Kit (W/ Condensate Trap)
Kit Part # Description
9008490005 4” Non-Combustible Sidewall Termination Kit (With Condensate Trap)
1 9007999005 1 - 4" Sidewall Hood Terminator
2 9007980005 1 - 4" 90 degree Elbow
3 9008146005 1 - 4" Universal Appliance Adaptor

9008001005
3"x4" Direct Vent-Concentric Termination-5"x10"
Kit Part # Description
9008001005 3" x 4" Direct Vent, Concentric Termination (5" x 10")
1 9008147005 1 - Concentric Intake/Exhaust Kit
2 9008146005 1 - 4" Universal Appliance Adaptor
3 N/A 3" Aluminum Flex 
4 9007667005 Direct Vent Conversion Kit

9008000005
3"x4" Direct Vent-Concentric Termination-12"x18"
Kit Part # Description
9008000005 3" x 4" Direct Vent, Concentric Termination (10" x 18")
1 9008147005 1 - Concentric Intake/Exhaust Kit
2 9008146005 1 - 4" Universal Appliance Adaptor
3 N/A 3" Aluminum Flex 
4 9007667005 Direct Vent Conversion Kit

9008340005
4" Flat Rooftop Termination Kit
Kit Part # Description
9008340005 4" Flat Roof Termination
1 9008145005 1 - 4" Extreme Weather Rain Cap
2 9007990005 1 - 4" Storm Collar
3 9007992005 1 - 4" Flat Roof Flashing
4 9007988005 1 - 4" Vertical Firestop
5 9007980005 2 - 4" 90 degree Elbow
6 9008146005 1 - 4" Universal Appliance Adaptor
7   1 - Straight Pipe

9008341005
4" Angled Rooftop Termination Kit
Kit Part # Description
9008341005 4" Angled Roof Termination
1 9008145005 1 - 4" Extreme Weather Rain Cap
2 9007990005 1 - 4" Storm Collar
3 9007991005 1 - 4" Roof Flashing
4 9007988005 1 - 4" Vertical Firestop
5 9007980005 2 - 4" 90 degree Elbow
6 9008146005 1 - 4" Universal Appliance Adaptor
7   1 - Straight Pipe

 

PARTS

9008142005
3" Intake Hood
Part # Description
9008142005 3" Intake Hood (Galvanized)

4" Straight Vent Pipe
Part # Description
9007987005 4" Straight pipe - 6" Length
9007986005 4" Straight pipe - 12" Length
9007984005 4" Straight pipe - 24" Length
9007983005 4" Straight pipe - 36" Length
9007982005 4" Straight pipe - 48" Length
9007985005
4" Adjustable Vent Pipe
Part # Description
9007985005 4" Adjustable pipe (7" - 9.9")
9007981005
4" - 45 Degree Elbow
Part # Description
9007981005 4" 45 Degree Elbow
9007980005
4" - 90 Degree Elbow
Part # Description
9007980005 4" 90 Degree Elbow

4" Wall Thimble
Part # Description
9008345005 (4"-7") 4" Wall Thimble
9008346005 (5"-10") 4" Wall Thimble
9007994005
4" - Horizontal Condensation Drain
Part # Description
9007994005 4" Horizontal Condensation Drain Tee
9007993005
4" - Vertical Condensation Drain Pipe
Part # Description
9007993005 (M-F) 4" Vertical Condensation Drain Tee
9007990005
4" - Storm Collar
Part # Description
9007990005 4" Storm Collar
9007988005
4" - Firestop
Part # Description
9007988005 Vertical Firestop
9007992005
4" - Flat Roof Flashing
Part # Description
9007992005 4" Flat Roof Flashing
9007991005
4" - Angled Roof Flashing
Part # Description
9007991005 4" Angled Roof Flashing
9007999005
4" - Exhaust Sidewall Vent Terminator
Part # Description
9007999005 4" Exhaust Sidewall Vent Terminator (Hood)

4" - Termination Hood with Thimble
Part # Description
9008004005 4" Termination Hood with Thimble (4"-7")
9008005005 4" Termination Hood with Thimble (5"-10")
9008144005
4" - Termination Tee
Part # Description
9008144005 4" Termination Tee

4" - Rain Cap - Extreme Weather Rain Cap
Nova Vent
Part #
Description
9007995005 4" Rain Cap
9008145005 4" Extreme Weather Rain Cap
9008146005
4" - Universal Adaptor
Part # Description
9008146005 4" Universal Appliance Adaptor 3-in-1 (F/F adaptor, condensate drain, & back flow preventer)
9007996005
4" - Backflow Preventer
Part # Description
9007996005 4" Backflow Preventer & F/F Adaptor
9007979005
4" - Female/Female Adaptor
Part # Description
9007979005 4" Female/Female Adaptor
9007989005
4" - Support Strap
Part # Description
9007989005 4" Support Strap (1")

 

Accessories

9007667005
Direct Vent Conversion Kit

This 9007667005 Direct Vent Conversion Kit can be used to convert a conventional vent system to a direct vent (or sealed combustion) system. This is a CSA tested Takagi conversion kit. Install this conversion kit in accordance with Takagi's installation instructions and any applicable codes.


For Use with the following models:

T-KJr2/U-IN, T-K4/U-IN, T-D2/U-IN


9007670005
Pipe Cover

The 9007670005 Pipe Cover protects the plumbing pipes to the water heater from unexpected adjustments. This pipe cover is fixed to the bottom of the water heater, which hides the plumbing and improves the visual aspects of the whole installation for the water heater.


For Use with the following models:

T-KJr2U-IN, T-KJr2U-OS, T-K4-IN, T-K4-OS, T-K4U-IN, T-K4U-OS, T-D2-IN, T-D2-OS, T-D2U-IN, T-D2U-OS


9008172005
Remote Temperature Controller

The 9008172005 Temperature Remote Controller has two functions. It allows the output temperature from the water heater to be adjusted within the range of 100 °F to 185 °F, and it also works as a diagnostic tool that will give a concise error code whenever there is a problem with the unit.


For Use with the following models:

T-KJr2U-IN, T-KJr2U-OS, T-K4U-IN, T-K4U-OS, T-D2U-IN, T-D2U-OS, T-H3M-IN, T-H3M-OS, T-H3J-IN, T-H3J-OS, T-H3S-IN, T-H3S-OS, T-H3-IN, T-H3-OS


9008300005
Multiple Unit Controller

The 9008300005 Multi System Controller is capable of handling up to 20 units at one time. It also works as a diagnostic tool that provides error codes.


For Use with the following models:

T-D2U-IN, T-D2U-OS, T-H3-IN, T-H3-OS


9007604005
Lead Free Isolation Valves & Pressure Relief Valve

The 9007604005 Lead Free Isolation Valves & Pressure Relief Valves are used to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi and up to 200,000 BTUs. For 3/4" water lines. (1953 Compliant)


For Use with the following models:

T-KJr2/U, T-K4/U, T-D2/U, T-H3M, T-H3J, T-H3S, T-H3


9008871005
Product Preservers® Anti-Scale System LG1.5L

The 9008871005 Product Preservers® Anti-Scale System provides protection from scale formation on internal and external plumbing surfaces. The Product Preservers® system is a single cartridge based system that must be installed on a cold water line prior to a single water-heating device (water heater or tankless water heater). Peak Flow Rate - 10 gpm (38 lpm)


For Use with the following models:

T-D2/U, T-H3S, T-H3, T-M32


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