A.O. Smith Adapt™ - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor/Outdoor

Model: ATHR-199M Item Number: 154113
A.O. Smith ATHR-199M
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A.O. Smith ATHR-199M
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Our Price: $2,021.94
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$337 / Month
Suggested monthly payments with 6 month financing.
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Ships Wednesday, December 4th
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A.O. Smith Adapt™ - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor/Outdoor
A.O. Smith Adapt™ - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor/Outdoor Model: ATHR-199M Item Number: 154113
$2,021.94
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.
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*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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
    104 Pounds Learn More
    104 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.
    Type
    Tankless Water Heater
    Product Line
    Adapt
Input Capacity
Select Attribute
X3 Scale Prevention
Select Attribute
Recommended Accessories
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Required Accessories Add All Required
Installation Accessories
Features
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Features

Overview for A.O. Smith ATHR-199M

A.O. Smith continues to lead the way in residential water heating with close to 70 years of innovative hot water solutions. The A.O. Smith Adapt™ Tankless Water Heater delivers on-demand performance along with installation versatility. With a heavy-duty design, the patented stainless steel heat exchanger in the A.O. Smith Adapt™ Tankless Water Heater will be dependable for years to come. With installation features like flexible venting, the ability to convert from natural gas to liquid propane in the field and approval for manufactured home installations, the A.O. Smith Adapt™ can be installed in almost any residential setting. Built-in controls and an integrated recirculation pump give you the convenience to set and review recirculation schedules and never wait long for hot water, even on the farther fixtures.
  • Flexible Installation
  • Simplify installation of your new tankless water heater with the A.O. Smith Adaptâ„¢. You can use PVC, CPVC, Polypropylene or ABS pipe (solid core only) for installation.
  • High Efficiency Condensing Technology
  • The ATHR-199M 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 ATHR-199M is designed to qualify for the most stringent standards. These standards coincide with SCAQMD rules and other air quality management districts.
  • Heavy Duty Heat Exchanger
  • Made from stainless steel with only two weld points, the reliable heat exchanger in the A.O. Smith Adaptâ„¢ is more resilient to scale buildup and corrosion, extending the life of the water heater.
  • Recirculation Pump
  • With an integrated recirculation pump, the A.O. Smith Adaptâ„¢ prevents you from having to wait for hot water, even at the farthest fixture.
  • Built-In Controls
  • Set up to two recirculation schedules with the built-in controls as well as the ability to check status and error codes, right on the built-in display.
  • Specifications
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    Specifications

    General Information
    Type
    Tankless Water Heater
    Product Line
    Adapt
    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
    Stainless Steel
    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.
    Direct Vent
    Venting Category Learn More
    Venting Category
    Venting Category describes what type of flue material can be used in water heater installations. Category III: Stainless Steel, Category IV: ABS, PVC, CPVC, PolyPro, Stainless Steel
    IV
    Storage Type
    Tankless
    Application
    Residential
    Installation Location
    Indoor/Outdoor
    Maximum Altitude
    10100 Feet
    Includes Pump
    Yes
    Gas Conversion Kit
    Included
    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.
    199000 BTU
    Minimum Input Capacity
    9000 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.
    9.6 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.
    7.6 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.
    6.3 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.
    5.3 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
    4.9 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
    Primary Vent Pipe Diameter
    2 Inches
    Gas Connection Size
    1/2 Inch
    Cold Water Inlet
    3/4 Inch
    Hot Water Outlet
    3/4 Inch
    Product Height
    33 19/24 Inches
    Product Width
    16 1/2 Inches
    Product Depth
    16 5/48 Inches
    Product Weight
    104 Pounds
    Shipping Weight
    125 Pounds
    Certifications
    Energy Star Listed
    Yes
    CSA Listed
    Yes
    AHRI Certified
    Yes
    ANSI Certified
    Yes
    AHRI Reference Number
    213881156
    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
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    Reviews

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    Manuals
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    A.O. Smith Adapt™ - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Indoor/Outdoor
    A.O. Smith ATHR-199M
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