Takagi T-H3M-IN-OS User Manual
Residential Gas Condensing
®
High Efficiency
Tankless Water Heaters
FEATURES
ULTRA-LOW NOx CONDENSING
TECHNOLOGY PROVIDES
0.93 ENERGY FACTOR
COMPLIES WITH CALIFORNIA
SCAQMD RULE 1146.2 AND OTHER
AIR QUALITY MANAGEMENT
DISTRICTS WITH SIMILAR NOx
EMISSION REQUIREMENTS OF
14 ng/J OR 20 PPM
OPERATES ON 1/2" GAS LINE WITH
STANDARD GAS PRESSURES
DURABLE HEAT EXCHANGERS
■ Copper Primary Heat Exchanger
■ Secondary Heat Exchanger is
made of Marine Grade Type 316L
Stainless Steel to protect against
corrosion
CONTINUOUS MAXIMUM FLOW
RATES UP TO 6.6 GPM
ENERGY STAR
AVAILABLE IN NATURAL GAS OR
PROPANE (LP)
T-H3M-IN & T-H3M-OS CAN BE
USED IN RESIDENTIAL HOT WATER
AND HEATING APPLICATIONS
(CHECK LOCAL CODES)
ELECTRONIC IGNITION NO PILOT LIGHT
INDOOR MODEL - INCLUDES A
BUILT-IN TEMPERATURE
CONTROLLER AND
ADVANCED DIAGNOSTICS TO
SIMPLIFY TROUBLESHOOTING
OUTDOOR MODEL - INCLUDES A
WALL MOUNT TEMPERATURE
REMOTE CONTROLLER AND
ADVANCED DIAGNOSTICS TO
SIMPLIFY TROUBLESHOOTING
®
QUALIFIED
FACTORY-INSTALLED POWER
CORD INCLUDED FOR INDOOR
MODELS
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)
■ Category IV Stainless Steel venting
can also be used
ACCESSORIES
■ Pipe Cover
■ Neutralizer Kit
■ Isolation Valve Kits
■ Concentric Termination
■ Recess Box
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
INDOOR MODEL
T-H3M-IN
OUTDOOR MODEL
T-H3M-OS
ANSI Z21.10.3
Page 1 of 4 www.takagi.com TRGSS01713
CSA 4.3
Residential Gas Condensing
High Efficiency
Tankless Water Heaters
TANKLESS HIGH EFFICIENCY CONDENSING MODELS
MODEL
NUMBER
FUEL
TYPE
GAS CONSUMPTION INPUT INLET GAS PRESSURE
MIN.
BTU/H
MAX.
BTU/H
MIN.
W.C.
MAX.
W.C.
ENERGY
FACTOR
(EF)
MAX
GPM*
HOT/COLD
GAS
CONN.
GAS
CONN.
DIMENSIONS IN INCHES
A
HEIGHTBWIDTHCDEPTH
INDOOR
T-H3M-IN-N Natural 15,000 120,000 5.0 10.5 0.93 6.6 3/4" NPT 1/2" NPT 22-7/8 13-7/8 10-13/16 44
T-H3M-IN-P Propane 15,000 120,000 8.0 14.0 0.93 6.6 3/4" NPT 1/2" NPT 22-7/8 13-7/8 10-13/16 44
OUTDOOR
T-H3M-OS-N Natural 15,000 120,000 5.0 10.5 0.93 6.6 3/4" NPT 1/2" NPT 22-7/8 13-7/8 10-13/16 44
T-H3M-OS-P Propane 15,000 120,000 8.0 14.0 0.93 6.6 3/4" NPT 1/2" NPT 22-7/8 13-7/8 10-13/16 44
All dimensions are in inches.
15-150 psi Water Pressure. 40 psi or above is recommended for maximum flow.
*Current numbers based on factory testing; 0.5 gpm required for activation; 0.4 gpm required for continuous fire after initial ignition.
Indoor models are certified from sea level to 10,100 ft. in elevation. Outdoor models are certified from sea level to 6,000 ft.
In accordance with ANSI Z21.10.3, CO emission does not exceed 400 PPM for normal input.
The manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligation.
UNIT
WEIGHT
(LBS)
Page 2 of 4 www.takagi.com TRGSS01713
Loading...