Expansion Tanks
AO Smith 100374811 Adapt™ 180 Input MBtu Premium Condensing Ultra-Low NOx Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
In Stock. Ships in 1-7 Business Days.

1 days | 2 days | 3 days | 4 days | 5 days | 6 days | 7+ days | |
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If picked up on... | Will be delivered by... | ||||||
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Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$350-$500 | EAST COAST By Zip Code & Weight |
$450-$750 | MIDWEST / SOUTH By Zip Code & Weight |
$650-$900 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$450-$550 | EAST COAST By Zip Code & Weight |
$600-$900 | MIDWEST / SOUTH By Zip Code & Weight |
$950-$1300 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
$160 | Rest Of Contiguous US |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | NY / NJ / CT Metro Area |
$60 | Across the USA |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
Not Available | Rest Of Contiguous US | We unfortunately can not ship this material outside of our trucking area. |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | Across the USA |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$60 | Across the USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$70 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$110 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | Pickup |
$75 | NY / NJ / CT Metro Area |
Not Deliverable | Rest of Contiguous USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$200 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$40 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
FREE | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$50 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$90 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$75 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$110 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Product details
AO Smith 100374811 Adapt™ 180 Input MBtu Premium Condensing Ultra-Low NOx Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
The ATHR-199X3 ADAPT™ tankless water heater uses up to 199,000 BTUs of Natural Gas or Liquid Propane to deliver a max flow rate of 10.5 gal/min. A. O. Smith’s ADAPT™ premium condensing gas tankless water heaters deliver robust, on-demand performance and the flexibility to install in virtually any residential setting.
Built-in X3® Scale Prevention Technology helps maintain like-new performance by protecting the heat exchanger from build-up. Scale-prevention protection can prolong the life of the heat exchanger by up to 300% compared to an unprotected unit.
The ADAPT™ line features a built-in Control Display for setting and reviewing up to two recirculating schedules—as well as checking heater status and error codes. Manage temperature settings and activate the heater and recirculation pump remotely with optional kits (sold separately).
All models are ENERGY STAR® certified with a Uniform Energy Factor of 0.95 and comply with Ultra-Low NOx regulations. All ADAPT™ models are field convertible from Natural Gas to Liquid Propane (kit included) and can be installed indoors or outdoors with an Outdoor Vent Cap Kit (sold separately).
Features
ENERGY STAR® certified with a UEF of 0.95
Flexibility in Installation—Field convertible from natural gas to liquid propane; PVC venting flexibility (2” up to 75’ & 3" up to 150’); Install indoor or outdoor (outdoor kit sold separately)
Save up to $116/year on annual operating costs—When compared to a standard 50-gallon atmospheric natural gas tank water heater.
Lasts 3x Longer!—with X3® Scale Prevention Technology provides protection for the heat exchanger.
Improved Efficiency & Reliability—Patented heavy-duty, stainless-steel heat exchanger features only two weld points and eliminates the need for a secondary heat exchanger
Reduced Wait Time for Hot Water—Integrated recirculation pump assists in the delivery of hot water quickly (recirculation plumbing from fixture to unit required)
Expandable for Larger Applications—Cascade up to 12 like heaters when multiple water heaters are required to work in conjunction (cable included)
Built-in Control Display—Check status, error codes and settings and review up to two (2) recirculating schedules using the built-in display
Optional Remote Activation—An optional kit allows the user to engage the heater to recirculate hot water at a touch of a button for on-demand, continuous hot water
Specification Sheet
MPN ? Manufacturer Part Number | 100374811 |
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UPC / GTIN | 671657288587 |
Manufacturer | AO Smith |
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. | Adapt™ |
Height (Inches) ? The vertical measurement from bottom to top, measured in inches. | 41.8" |
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Width (Inches) ? The horizontal measurement from left to right, measured in inches. | 16.53" |
BTU Input | 180,000 |
Voltage | 120 Volt |
Max Flow Rate ? The volume of water moved by the product per minute, measured in gallons. | 10.5 GPM |
Weight ? Weight | 120.00 |
Fuel Type | Natural Gas |
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Product Warranty | 15 Years Warranty |
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