A.O. Smith ATO-240H - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor

Model: ATO-240H-N Item Number: 69993
A.O. Smith ATO-240H-N
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A.O. Smith ATO-240H-N
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Originally $1,324.36, you save 23%
Our Price: $1,022.00
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$171 / Month
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A.O. Smith ATO-240H - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
A.O. Smith ATO-240H - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor Model: ATO-240H-N Item Number: 69993
$1,022.00
In-Stock
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Specification Highlights
    Condition
    New Learn More
    New
    This product is new and has never been used. It's in its original packaging, which has not been opened.
    Weight
    58 Pounds Learn More
    58 Pounds
    Total weight of the product and any included accessory/components. This total is not the shipping weight, as it does not include packing material, which may increase the overall shipping weight of this product.
    Product Category
    Water Heater - Tankless
    UPC
    671657141981
Install Location
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Fuel Type
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Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Select Attribute
Flow Rate at 60° Rise
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Recommended Accessories
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Required Accessories Add All Required
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Features
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Features

Overview for A.O. Smith ATO-240H-N

A.O. Smith continues to lead the way in residential water heating with close to 70 years of innovative hot water solutions. The ATO-240H-N is A.O. Smith's high efficiency, Ultra-Low NOx outdoor model, it keeps emissions low by featuring the latest in water heating technology. Switching on when a hot water tap is opened, a built in temperature sensor helps to maintain hot water within a one degree set point during use, and the system automatically shuts off when the tap is closed saving you energy. An included wall mount remote controller gives you simple and complete control over your water heater.
  • High Efficiency Condensing Technology
  • The ATO-240H-N features the latest in water heating condensing technology. This means that the unit can deliver some of the highest efficiency standards on the market, keeping dollars in your pocket.
  • Ultra Low-NOx Emissions
  • The ATO-240H-N is designed to qualify for the most stringent Low-NOx standards. These standards coincide with SCAQMD rules and other air quality management districts.
  • Heavy Duty Heat Exchanger
  • The primary heat exchanger is built out of copper, offering better heat transfer than stainless steel and designed to be more resilient against corrosion. A.O. Smith water heaters are built to last and save you money in the process.
  • Multiple Safety Features
  • ATO models come with a long list of safety features standard. These include: built in freeze protection, manual reset hi limit, an overheat cutoff fuse, inlet and outlet thermistors to monitor temperatures, and a built-in flame sensor.
  • Space Saving Design
  • A.O. Smith tankless heaters take up less space than their conventional counterparts. The convenient wall mount design means they can fit in nearly any outdoor wall layout and offer additional flexibility.
  • Specifications
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    Specifications

    Overview
    Product Category
    Water Heater - Tankless
    UPC
    671657141981
    General Information
    Type
    Tankless Water Heater
    Product Line
    ProLine
    Product Category
    Water Heater - Tankless
    Medium Learn More
    Medium
    Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
    Hot Water
    Heat Exchanger Material
    Copper/Stainless
    Fuel Type Learn More
    Fuel Type
    To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
    Natural Gas
    Combustion Type Learn More
    Combustion Type
    Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.
    Condensing
    Vent Type Learn More
    Vent Type
    Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
    Outdoor (No Venting)
    Storage Type
    Tankless
    Application
    Residential
    Mount Type
    Wall
    Installation Location
    Outdoor
    Includes Pump
    No
    Gas Conversion Kit
    Not Available
    Performance
    Maximum Input Capacity Learn More
    Maximum Input Capacity
    The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
    160000 BTU
    Minimum Input Capacity
    15000 BTU
    Flow Rate at 40F Temperature Rise Learn More
    Flow Rate at 40F Temperature Rise
    Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
    6.7 GPM
    Flow Rate at 50F Temperature Rise Learn More
    Flow Rate at 50F Temperature Rise
    Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
    6.1 GPM
    Flow Rate at 60F Temperature Rise Learn More
    Flow Rate at 60F Temperature Rise
    Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
    5.0 GPM
    Flow Rate at 70F Temperature Rise Learn More
    Flow Rate at 70F Temperature Rise
    Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
    4.3 GPM
    Uniform Energy Factor Learn More
    Uniform Energy Factor
    Uniform Energy Factor (UEF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater.
    0.95
    Flow Rate at 77F Temperature Rise
    4.0 GPM
    Ultra Low NOx Emissions Learn More
    Ultra Low NOx Emissions
    NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.
    Yes
    Electrical Data
    Phase
    1
    Frequency
    60 Hz
    Dimensions
    Gas Connection Size
    3/4 Inch
    Cold Water Inlet
    3/4 Inch
    Hot Water Outlet
    3/4 Inch
    Product Height
    23 5/8 Inches
    Product Width
    17 3/4 Inches
    Product Depth
    11 1/4 Inches
    Product Weight
    58 Pounds
    Shipping Weight
    58 Pounds
    Certifications
    CSA Listed
    Yes
    Energy Star Listed
    Yes
    AHRI Certified
    Yes
    ANSI Certified
    Yes
    UPC Listed
    Yes
    AHRI Reference Number
    5526878
    Warranty Information
    Parts Warranty Show ACW Parts Warranty Learn More
    Parts Warranty
    A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
    5 Years
    Heat Exchanger Warranty
    15 Years
    Reviews
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    Reviews

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    Product Q&A

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    Manuals
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    A.O. Smith ATO-240H - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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