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Tankless Water Heater Non-Condensing Concentric Vent Indoor 190,000 BTU Natural Gas/Propane

Tankless Water Heater Non-Condensing Concentric Vent Indoor 190,000 BTU Natural Gas/Propane

Tankless Water Heater Non-Condensing Concentric Vent Indoor 190,000 BTU Natural Gas/Propane

Model # GTS-310C-NI
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, 02139

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Product Description

Fully modulating, natural gas tankless water heater with sealed combustion and power vented flue. Supplies hot water to domestic hot water systems (directly or indirectly) and can be used with water storage tanks, recirculation systems, and/or combined domestic and heating applications.

The GTS-310C-NI tankless water heater uses up to 190,000 BTUs of Natural Gas or Liquid Propane to deliver a max flow rate of 8.0 GPM. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.81. This model meets Ultra-Low NOx requirements, and has a 15-year limited warranty on the heat exchanger in residential applications.

Where to Buy

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MacCormack Plumbing
Billerica, MA 01821
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MacCormack Plumbing
Billerica, MA 01821-1029
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All Clear Inc.
Somerville, MA 02143-1723
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Certifications

15

year

limited warranty

0.81

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
CSA International Design Certification The CSA Blue Star indicates the product is certified to applicable U.S. standards for appliances using gas or other petroleum fuel
  • Emissions: Ultra-Low NOx
  • Maximum BTU/h: 190,000
  • UEF 0.81
  • 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: Copper
  • Voltage: 120
  • Digital Display: Yes
  • Technology: Non-Condensing
  • Height: 20 1/2"
  • Width: 13 3/4"
  • Depth: 10 1/2"
  • Product Weight: 51 lbs/23.1 kg
  • Shipping Weight: 55
  • Vent Type: Concentric Vent

FIELD CONVERTIBLE FROM NATURAL GAS TO PROPANE

Easily convertible from natural gas to propane with supplied kit..

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

Built-in Freeze Protection, Manual Reset Hi Limit, Overheat Cutoff Fuse, Inlet and Outlet Thermistors for Constant Temperature Monitoring.

Venting and Combustion

Direct vent APNC35 concentric vent system, Vertical or horizontal vent termination installation, Power direct vent.


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.

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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.

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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.

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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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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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Product Features & Options

FIELD CONVERTIBLE FROM NATURAL GAS TO PROPANE

Easily convertible from natural gas to propane with supplied kit..

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

Built-in Freeze Protection, Manual Reset Hi Limit, Overheat Cutoff Fuse, Inlet and Outlet Thermistors for Constant Temperature Monitoring.

Venting and Combustion

Direct vent APNC35 concentric vent system, Vertical or horizontal vent termination installation, Power direct vent.


Emissions: Ultra-Low NOx
Maximum BTU/h: 190,000
UEF 0.81
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: Copper
Voltage: 120
Digital Display: Yes
Technology: Non-Condensing
Height: 20 1/2"
Width: 13 3/4"
Depth: 10 1/2"
Product Weight: 51 lbs/23.1 kg
Shipping Weight: 55
Vent Type: Concentric Vent

Certifications

15

year

limited warranty

0.81

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
CSA International Design Certification The CSA Blue Star indicates the product is certified to applicable U.S. standards for appliances using gas or other petroleum fuel
place

Where to Buy

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

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