T-H3 Spec Sheet

ManualsBrandsTakagi ManualsWater HeatersT-H3S - 5.7 GPM at 60° F Rise - 0.95 UEF - Propane Tankless Water Heater - Direct Vent

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TRGSS01512

Residential / Commercial Gas

Tankless Water Heaters

INDOOR MODELS

T-H3J-DV, T-H3S-DV, T-H3-DV

OUTDOOR MODELS

T-H3J-OS, T-H3S-OS, T-H3-OS

ANSI Z21.10.3 CSA 4.3

Tankless Condensing High Efﬁciency

FEATURES:

ULTRA-LOW NOX CONDENSING

TECHNOLOGY PROVIDES AN UP TO

0.95 UNIFORM ENERGY FACTOR

DURABLE HEAT EXCHANGER

• Primary Heat Exchanger is constructed of

Commercial-Grade Copper that is more

resilient to erosion and is 25x better at heat

transfer than stainless steel thus stabilizing

outgoing water temperatures quicker

• Secondary Heat Exchanger is made of

Type 316L Stainless Steel to protect against

corrosion

CONTINUOUS MAXIMUM FLOW

RATES UP TO 10.0 GPM

ENERGY STAR

QUALIFIED

AVAILABLE IN NATURAL GAS OR

PROPANE (LP)

T-H3-DV AND T-H3-OS MODELS

• Can be used in residential and commercial

applications

• Easy-link up to 4 heaters

• Multi-link up to 20 heaters

INDOOR MODEL - INCLUDES

INTEGRATED TEMPERATURE

CONTROLLER AND ADVANCED

DIAGNOSTICS TO SIMPLIFY

TROUBLESHOOTING

OUTDOOR MODEL - INCLUDES

A WALL MOUNT TEMPERATURE

REMOTE CONTROLLER AND

ADVANCED DIAGNOSTICS TO

SIMPLIFY TROUBLESHOOTING

FACTORY-INSTALLED POWER CORD

INCLUDED FOR INDOOR MODELS

COMMON VENT UP TO 8 UNITS

COMPLIES WITH LEAD FREE

STANDARDS

SAFETY FEATURES:

• Air-Fuel Ratio (AFR) Sensor

• Exhaust & Water Temperature Safety

Control

• Overheat Cut-Off Fuse

INTERNAL FREEZE PROTECTION

SYSTEM

POWER DIRECT VENT DESIGN

• Exhaust, 3” PVC Venting up to 70 feet or

4” PVC Venting up to 100 feet

• Provides ﬂexible venting with PVC, CPVC,

or ABS Pipe for Intake and Exhaust (solid

core only). Canadian Installations Require

ULCS636 Listed PVC or CPVC Pipe for

Venting.

• Category III or IV venting can be used

ACCESSORIES

• Pipe Cover

• Neutralizer Kit

• Isolation Valve Kits

• Concentric Termination

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-H3 models

only

Summary of content (4 pages)

PAGE 1
Residential / Commercial Gas Tankless Water Heaters Tankless Condensing High Efficiency FEATURES: COMMON VENT UP TO 8 UNITS ULTRA-LOW NOX CONDENSING TECHNOLOGY PROVIDES AN UP TO 0.
PAGE 2
GAS CONSUMPTION INLET GAS PRESSURE INPUT DIMENSIONS APPROX IN INCHES MAXIMUM HOT/COLD GAS SHIPPING TYPE UEF GPM* CONNECTIONS CONNECTION WEIGHT MINIMUM MAXIMUM MINIMUM MAXIMUM HEIGHT WIDTH DEPTH (LBS) BTU/H BTU/H IN. W.C. IN. W.C. MODEL NUMBER Indoor Models T-H3J-DV-N Natural 15,000 160,000 4.0 10.5 0.94 6.6 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 T-H3J-DV-P Propane 13,000 160,000 8.0 14.0 0.94 6.6 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 71 T-H3S-DV-N Natural 15,000 180,000 4.
PAGE 3
Residential / Commercial Gas Tankless Water Heaters Pressure Loss Pressure Loss Pressure Loss T-H3J MODEL T-H3S MODEL T-H3 MODEL Flow rate vs. Temperature rise Flow rate vs. Temperature rise Flow rate vs.
PAGE 4
Residential / Commercial Gas Tankless Water Heaters SUGGESTED SPECIFICATION FOR T-H3 MODEL The fully modulating, on-demand, condensing gas fired tankless water heater(s) shall be Takagi model T-H3-DV or T-H3-OS, having a maximum input rating of 199,000 Btu/h and available in NG or LP. The heater shall have ¾ in. male NPT water and gas connections. The inlet gas supply pressures shall be 4.0 in. WC (min.) up to 10.5 in. WC (max) for NG and 8.0 in. WC (min.) up to 14 in. WC (max.) for LP.