AO Smith ATO510UN Tankless Water Heater Non-Condensing Ultra-Low NOx Outdoor 199,000 BTU Natural Gas

Item#: ATO510UN

Brand: AO Smith

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Product Details
 

The 510U Series is well suited for residential/commercial applications such as small restaurants and beauty salons. Utilizing HRS35 copper alloy for the heat exchanger tubing, the 510U is also suitable for heavier-residential usages such as space heating or domestic recirculation systems. Remote control included as a standard feature. Thicker heat exchanger drum and utilizes HRS (heat-resistant) copper for the heat exchanger tubing. Provides a variety of installation options: indoor, outdoor, and direct vent. Includes a pump control port, ensuring efficient operation of all circulation pumps. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1-b 1992. Easy-Link System capable up to 4 units. Multi-Link system capable up to 20 units.

The ATO-510U-N tankless water heater uses up to 199,000 BTUs of natural gas to deliver a max flow rate of 10 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: 199,000
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: 39lbs/18kg
Shipping Weight: 42lbs


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.