R E S I D E N T I A L
CONDENSING HIGH EFFICIENCY GAS
TANKLESS WATER HEATERS
FEATURES
INDOOR MODEL
GTS-140
OUTDOOR MODEL
GTS-140
ANSI Z21.10.3 CSA 4.3
Ultra-Low NOx Condensing
Technology Provides 0.93
Energy Factor (EF)
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
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)
GTS-140-IN & GTS-140-OS
can be used in Residential Hot
Water and Heating Applications
(Check local codes)
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
Electronic Ignition - No
Pilot Light
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 III 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
For more information on Tankless Condensing Water Heaters contact:
State Water Heaters
500 Tennessee Waltz Parkway
Ashland City, TN 37015
800.365.0024 Toll-free USA
www.statewaterheaters.com
SRGSS00114
CONDENSING HIGH EFFICIENCY GAS
TANKLESS WATER HEATERS
R E S I D E N T I A L
GAS CONSUMPTION
INPUT
MODEL
NUMBER
INDOOR
GTS-140-NIH 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
GTS-140 PIH 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
GTS-140-NEH 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
GTS-140-PEH 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. elevations.
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.
FUEL
TYPE
MINIMUM
BTU/H
MAXIMUM
BTU/H
INLET GAS
PRESSURE
MINIMUM
W.C.
MAXIMUM
W.C.
ENERGY
FACTOR
MAX
GPM*
HOT/COLD
CONN.
GAS
CONN.
DIMENSIONS IN INCHES
A
HEIGHTBWIDTHCDEPTH
UNIT
WEIGHT
(LBS)
SRGSS00114 Page 2 of 4