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Condensing Ultra-Low NOx Outdoor Tankless Water Heater with X3® Technology 180,000 BTU GTS-340X3-NEH

Condensing Ultra-Low NOx Outdoor Tankless Water Heater with X3® Technology 180,000 BTU GTS-340X3-NEH

Condensing Ultra-Low NOx Outdoor Tankless Water Heater with X3® Technology 180,000 BTU GTS-340X3-NEH

Model # GTS-340X3-NEH
ENERGY STAR
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, 02139

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Product Description

The Proline® XE Condensing Ultra-Low NOx series with X3® Scale Prevention Technology is well suited for residential applications. State Water Heaters has combined water heating and treatment in a product designed to revolutionize tankless water heating. Our new condensing gas tankless line features X3® Scale Prevention Technology to last three times longer than other tankless models without X3® Technology. Complies with Ultra-Low NOx regulations. These tankless heaters utilize commercial grade copper alloy for the heat exchanger tubing and are approved to work with an external recirculation pump and cross-over valve. Certified up to 10,100 ft. altitude.

The GTS-340HX3-NEH tankless water heater uses up to 180,000 BTU/hr of natural gas to deliver an endless supply of hot water for a 2.5 bath home in northern climates and up to a 3.5 bath home in southern climates (one shower head per bath). Our new condensing gas tankless line features X3™ Scale Prevention Technology to last three times longer than other tankless models without X3 Technology. This heater is extremely efficient with a Uniform Energy Factor of 0.94, and complies with Ultra-Low NOx regulations.. With an industry leading 15-year limited warranty, the GTS-340HX3-NEH tankless water heater provides years of hot water through innovation and quality.

ENERGY STAR

Where to Buy

Showing results for 02139
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MacCormack Plumbing
Billerica, MA 01821-1029
More Information
All Clear Inc.
Somerville, MA 02143-1723
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Certifications

15

year

limited warranty

0.94

Uniform Energy Factor

CSA International Low Lead Content Certification in compliance with U.S. and Canadian safety standards on gas components
AHRI Air-Conditioning, Heating and Refrigeration Institute
NSF Certified
  • Emissions: Ultra-Low NOx
  • Maximum BTU/h: 180,000
  • UEF 0.94
  • Minimum BTU/h: 15,000
  • Limited Heat Exchanger Warranty: 15 Years
  • Limited Parts Warranty: 5 Years
  • Water Connection Location: Bottom
  • Water Connection Size: 3/4"
  • Heat Exchanger: Commercial-Grade Copper
  • Voltage: 120
  • ENERGY STAR®: Yes
  • LEED Points: 1.5
  • Remote Control: Yes
  • Technology: Condensing
  • Height: 23 5/8"
  • Width: 17 3/4"
  • Depth: 11 1/4"
  • Product Weight: 59 lbs/27 kg
  • Shipping Weight: 72.4
  • Vent Material: PVC, CPVC, PP, ABS, SS

X3® Scale Prevention Technology

• Extends life of unit up to 3 times longer
• No annual descaling required
• No conditioning period required when using new copper pipe
• Maintains like-new performance longer
• Approved to work with an external recirculation pump and cross-over valve

Commercial Grade Copper Heat Exchanger

25x better heat transfer than stainless steel thus stabilizing outgoing water temperature quicker and reducing pressure drop across the heat exchanger.

Safety Features

Includes freeze, overheat, surge protection and troubleshooting diagnostic codes.

Endless Hot Water

The comprehensive line of State tankless water heaters are an excellent whole-home water heating solution that supply endless hot water.


How long would you like to enjoy a shower?

Cambridge, Massachusetts 02139

Change Location or Advanced Settings
Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.2 GPM flow rate.

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minutes

Single
Shower Length

Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.2 GPM flow rate.

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Close
Number of back-to-back showers you can take without running out of hot water. Assumes a 2.2 GPM flow rate and an 8 minute shower length.

Need to view or change our assumptions? Access the advanced settings.
Showers

Back to
Back

Number of back-to-back showers you can take without running out of hot water. Assumes a 2.2 GPM flow rate and an 8 minute shower length.

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Close
Number of showers you can take at the same time without running out of hot water.Assumes a 2.2 GPM flow rate and an 8 minute shower length.

Need to view or change our assumptions? Access the advanced settings.
Showers

 At the Same Time

Number of showers you can take at the same time without running out of hot water.Assumes a 2.2 GPM flow rate and an 8 minute shower length.

Need to view or change our assumptions? Access the advanced settings.

Close
Biggest tub this water heater will fill without running out of hot water. Assumes a 5.0 GPM flow rate, and a 67% fill level.

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gallons

Maximum Tub Size

Biggest tub this water heater will fill without running out of hot water. Assumes a 5.0 GPM flow rate, and a 67% fill level.

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Close
Number of minutes required to fill a 55 gallon tub. Assumes a 5.0 GPM flow rate and a 67% fill level.

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minutes

Time to Fill Tub

Number of minutes required to fill a 55 gallon tub. Assumes a 5.0 GPM flow rate and a 67% fill level.

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The estimated annual cost to operate this water heater in Cambridge, Massachusetts.

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$ Dollars

Estimated Energy Cost

The estimated annual cost to operate this water heater in Cambridge, Massachusetts.

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Many factors affect the actual performance of a water heater. This represents our closest approximation of your likely experience with this water heater in Cambridge, Massachusetts, but actual performance may vary depending on factors beyond our ability to control or estimate. To view or adjust our assumptions of the most common factors that impact this product’s performance in Cambridge, Massachusetts, please view the advanced settings. *Annual Estimated energy costs are estimated calculated from the energy efficiency of each water heater, your household’s estimated hot water usage & set temperature, the average groundwater temperature for your location, and residential energy prices for your location as reported by the Department of Energy and the Energy Information Administration.

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Top Service Items



Unboxing the 240/340/540X3

 

Installation and
Installation-Related Troubleshooting

 

No Hot Water

 

Error Code 031

 

Error Code 111 and 121

 

Error Code 391

 

Error Code 441

 

Error Code 711

 

Error Code 991 and 101

 

Error Code ELC

 

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Answer a few questions about how much hot water you need, and we'll show you personalized recommendations and direct you to a local contractor to help with your installation.

Product Features & Options

X3® Scale Prevention Technology

• Extends life of unit up to 3 times longer
• No annual descaling required
• No conditioning period required when using new copper pipe
• Maintains like-new performance longer
• Approved to work with an external recirculation pump and cross-over valve

Commercial Grade Copper Heat Exchanger

25x better heat transfer than stainless steel thus stabilizing outgoing water temperature quicker and reducing pressure drop across the heat exchanger.

Safety Features

Includes freeze, overheat, surge protection and troubleshooting diagnostic codes.

Endless Hot Water

The comprehensive line of State tankless water heaters are an excellent whole-home water heating solution that supply endless hot water.


Emissions: Ultra-Low NOx
Maximum BTU/h: 180,000
UEF 0.94
Minimum BTU/h: 15,000
Limited Heat Exchanger Warranty: 15 Years
Limited Parts Warranty: 5 Years
Water Connection Location: Bottom
Water Connection Size: 3/4"
Heat Exchanger: Commercial-Grade Copper
Voltage: 120
ENERGY STAR®: Yes
LEED Points: 1.5
Remote Control: Yes
Technology: Condensing
Height: 23 5/8"
Width: 17 3/4"
Depth: 11 1/4"
Product Weight: 59 lbs/27 kg
Shipping Weight: 72.4
Vent Material: PVC, CPVC, PP, ABS, SS

Certifications

15

year

limited warranty

0.94

Uniform Energy Factor

CSA International Low Lead Content Certification in compliance with U.S. and Canadian safety standards on gas components
AHRI Air-Conditioning, Heating and Refrigeration Institute
NSF Certified
place

Where to Buy

A. O. Smith water heaters are available through your local plumbing professional.

Literature

Top Service Items



Unboxing the 240/340/540X3

 

Installation and
Installation-Related Troubleshooting

 

No Hot Water

 

Error Code 031

 

Error Code 111 and 121

 

Error Code 391

 

Error Code 441

 

Error Code 711

 

Error Code 991 and 101

 

Error Code ELC

 

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