The 310U Series is great for two bath homes in cold climates. The 310U features a max flow rate of 8.0 gallons per minute providing enough hot water to run three showers at the same time. Remote control included as a standard feature. Provides a variety of installation options: indoor, outdoor, and direct vent. Complies with Ultra-Low NOx regulations and meets energy efficiency requirements of ASHRAE 90.1b-1992.
Item#: ATI310UN
Brand: AO Smith
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The ATI-310U-N tankless water heater uses up to 190,000 BTUs of natural gas to deliver a max flow rate of 6.6 GPM. It utilizes non-condensing technology to achieve an Energy Factor of 0.82. This model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty.
How it Works
The comprehensive line of A. O. Smith tankless water heaters provide hot water on-demand.
• The model activates when a fixture is opened
• Burners heat the water as it passes through
• A flow sensor recognizes when the water has stopped and shuts the burners off
Product Specifications
Tech Specs | |
---|---|
Emissions: | Ultra-Low NOx |
Maximum BTUs: | 190,000 |
Minimum BTUs: | 15,000 |
Limited Heat Exchanger Warranty: | 15 Years |
Limited Parts Warranty: | 5 Years |
Water Connection Location: | Bottom |
Water Connection Size: | 3/4" |
Heat Exchanger: | HRS35 Copper Alloy |
Secondary Heat Exchanger: | Stainless Steel |
Voltage: | 120 |
Energy Factor: | 0.82 |
Remote Control: | Yes |
Technology: | Non-Condensing |
Dimensions & Venting | |
---|---|
Type: | Space Saving |
Height: | 20 1/4" |
Width: | 13 3/4" |
Depth: | 9 1/2" |
Product Weight: | 37lbs/17kg |
Shipping Weight: | 40lbs |
Vent Type: | Power Direct Vent |
Vent Length: | 50 feet at 4 diameter |
Product Features & Options
Dual Heat Exchanger
The primary heat exchanger is constructed of commercial-grade HRS35 copper, which is stronger than standard copper and more resilient against erosion. Condensing models feature 316L stainless steel secondary heat exchanger, providing additional protection against corrosion.
Space Savings
A. O. Smith tankless water heaters take up much less space that your conventional tank-style water heater. With no tank to steal valuable storage space, our wall-mount design allows for additional storage and flexibility.
Safety Features
Includes freeze, overheat, surge protection and troubleshooting diagnostic codes.
Endless Hot Water
The comprehensive line of A. O. Smith tankless water heaters are an excellent whole-home water heating solution that supply endless hot water.
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