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. Install the A.O. Smith Adapt outdoors with the sold separately outdoor vent cap kit. 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.

Product Information:

• X3 Scale Prevention Technology: Maintain "like-new" performance of your water heater with A.O. Smith's patented X3 Scale Prevention technology. With no annual descaling required, X3 technology extends the life of the water heater up to three times longer.


• Flexible Installation: Simplify installation of your new tankless water heater with the A.O. Smith Adapt. You can use PVC, CPVC, Polypropylene or ABS pipe (solid core only) for installation.


• High Efficiency Condensing Technology: The ATHR-199X3 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-199X3 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 Adapt 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 Adapt 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.


• Outdoor Convertible: Using the sold separate outdoor vent cap kit, you can install the A.O. Smith Adapt outdoors safely.

Features:

• Never run out of water again with a steady 9.6 GPM flow rate
• This product is Energy Star certified with a Uniform Energy Factor of 0.95
• Covered under a 15-year heat exchanger warranty
• Covered under a 5 year parts manufacturer warranty

Specifications:

• Width: 16-1/2"
• Height: 44-5/8"
• Depth: 16-1/8"
• Fuel Type: Natural Gas
• Gas Connection: 1/2"
• Connection Size: 3/4"