State GTS-240-NIH User Manual

RESIDENTIAL/COMMERCIAL

TANKLESS HIGH EFFICIENCY
CONDENSING WATER HEATERS

FEATURES

INDOOR MODELS

GTS-240, GTS-340, GTS-540

Ultra-Low NOx Condensing
Technology Provides
Unprecedented 0.9 5
Energy Factor

Durable Heat Exchanger

• Primary Heat Exchanger is constructed of
HRS35 Commercial-Grade Copper which is
more resilient against erosion

• 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)

GTS -540-NIH & GTS -540-NEH
Can be used in both Residential
and Commercial Applications

Electronic Ignition - No
Pilot Light

Easy-Link up to 4 Units
(G TS-540 Models Only)

• With no additional parts or accessories needed

Multi-Link up to 20 Units
(G TS-540 Models Only)

Complies with Lead
Free Standards

Safety F e at ur e s:

• Air-Fuel Ratio (AFR) Sensor

• Exhaust & Water T emperatur e Safety Control

• Overheat Cut-O ff 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 Stainless Steel venting can
also be used

OUTDOOR MODELS

GTS-240, GTS-340, GTS-540

Indoor Model - Includes a
Built-In T emperature Controller
and Advanced Diagnostics to
Simplify T roubleshooting

Outdoor Model - Includes a
Wall Mount Temperature Remote
Controller and Advanced
Diagnostics to Simplify

GTS 540

model only

Tr ouble shooting

Factory-Installed Pow er Cord
Included for Indoor Models

®

ANSI Z21.10.3 CSA 4.3

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

Accessories

• Pipe Cover

• Neutralizer Kit

• Isolation Valve Kits

• Concentric Termination

Warranty

• 12-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

SRGSS05012

RESIDENTIAL/COMMERCIAL

TANKLESS HIGH EFFICIENCY CONDENSING MODELS

GAS CONSUMPTION

INPUT

MODEL

NUMBER

INDOOR

GTS-240-NIH Natural 15,000 160,000 5.0 10.5 0.95 6.6 3/4” NPT 22-1/2 17-3/4 10-3/4 58
GTS-240 PIH Propane 13,000 160,000 8.0 14.0 0.95 6.6 3/4” NPT 22-1/2 17-3/4 10-3/4 58
GTS-340-NIH Natural 15,000 180,000 5.0 10.5 0.95 8.0 3/4" NPT 22-1/2 17-3/4 10-3/4 58
GTS-340-PIH Propane 13,000 180,000 8.0 14.0 0.95 8.0 3/4" NPT 22-1/2 17-3/4 10-3/4 58
GTS-540-NIH Natural 15,000 199,000 5.0 10.5 0.95 10.0 3/4" NPT 22-1/2 17-3/4 10-3/4 59
GTS-540-PIH Propane 13,000 199,000 8.0 14.0 0.95 10.0 3/4" NPT 22-1/2 17-3/4 10-3/4 59

OUTDOOR

GTS-240-NEH Natural 15,000 160,000 5.0 10.5 0.95 6.6 3/4” NPT 22-1/2 17-3/4 10-3/4 58
GTS-240-PEH Propane 13,000 160,000 8.0 14.0 0.95 6.6 3/4” NPT 22-1/2 17-3/4 10-3/4 58

GTS-340-NEH Natural 15,000 180,000 5.0 10.5 0.95 8.0 3/4" NPT 22-1/2 17-3/4 10-3/4 58

GTS-340-PEH Propane 13,000 180,000 8.0 14.0 0.95 8.0 3/4" NPT 22-1/2 17-3/4 10-3/4 58

GTS-540-NEH Natural 15,000 199,000 5.0 10.5 0.95 10.0 3/4" NPT 22-1/2 17-3/4 10-3/4 59

GTS-540-PEH Propane 13,000 199,000 8.0 14.0 0.95 10.0 3/4" NPT 22-1/2 17-3/4 10-3/4 59

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; 0.4 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

AND

GAS CONN.

DIMENSIONS IN INCHES

A

HEIGHTBWIDTHCDEPTH

UNIT

WEIGHT

(LBS)

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