Takagi T-H3M-IN/OS User Manual
Features

Residential Gas Condensing
High Efficiency
Tankless Water Heaters
ANSI Z21.10.3
CSA 4.3
OUTDOOR MODEL
T-H3M-OS
INDOOR MODEL
T-H3M-IN
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www.takagi.com
TRGSS01713
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
®
QUALIFIED
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
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
®
TRGSS01713 TH3M Tankless Spec Sheet_Spec Sheet Template 3/22/14 12:21 PM Page 1