AO Smith Adapt 10.5 GPM 120 Volt Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with Integrated Recirculation Pump
Model: ATHR-180M|Item: bci4880726
Details
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:
- 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-180M 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-180M 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 8.5 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: 33-13/16"
- Depth: 16-1/8"
- Fuel Type: Natural Gas
- Gas Connection: 1/2"
- Connection Size: 3/4"
Dimensions and Measurements
Activation GPM | 0.4 |
Cutout Height | 64 in. |
Cutout Width | 23 in. |
Depth | 16.1 in. |
Duct Size | 2" Round |
Gas Connection | 1/2" |
Height | 33.8 in. |
Liquid Propane Pressure (Max) | 13.0 WC |
Liquid Propane Pressure (Min) | 8.0 WC |
Maximum Flow Rate | 8.5 GPM |
Maximum Gas Input | 180000 |
Minimum Flow Rate | 4.4 GPM |
Minimum Gas Input | 9000 |
Product Weight | 104 lbs. |
Vent Maximum Run | 150, 75 in. |
Water Connection | 3/4" |
Water Pressure (Max) | 150 PSI |
Water Pressure (Min) | 15 PSI |
Width | 16.5 in. |
Dimensions and Measurements
Activation GPM | 0.4 |
Cutout Height | 64 in. |
Cutout Width | 23 in. |
Depth | 16.1 in. |
Duct Size | 2" Round |
Gas Connection | 1/2" |
Height | 33.8 in. |
Liquid Propane Pressure (Max) | 13.0 WC |
Liquid Propane Pressure (Min) | 8.0 WC |
Maximum Flow Rate | 8.5 GPM |
Maximum Gas Input | 180000 |
Minimum Flow Rate | 4.4 GPM |
Minimum Gas Input | 9000 |
Product Weight | 104 lbs. |
Vent Maximum Run | 150, 75 in. |
Water Connection | 3/4" |
Water Pressure (Max) | 150 PSI |
Water Pressure (Min) | 15 PSI |
Width | 16.5 in. |
Included Components
Includes Isolation Valve Kit | No |
Includes Remote | No |
Included Components
Includes Isolation Valve Kit | No |
Includes Remote | No |
Characteristics and Features
Control Type | Electronic |
Display Type | Digital |
Heating Technology | Condensing |
Indoor Installation | Yes |
Maximum Elbows | 5 |
Vent Type | Direct Vent |
Water Connection Type | NPT |
Characteristics and Features
Control Type | Electronic |
Display Type | Digital |
Heating Technology | Condensing |
Indoor Installation | Yes |
Maximum Elbows | 5 |
Vent Type | Direct Vent |
Water Connection Type | NPT |
Manufacturer Technology
Recirculation | Yes |
Manufacturer Technology
Recirculation | Yes |
Electrical and Operational Information
Altitude Certification | 10100 ft. |
Amperage | 5 |
Condensing | Yes |
Default Temperature | 120 °F |
Frequency | 60 Hertz |
Fuel Type | Natural Gas |
Ignition Type | Electric |
Max BTU Input | 180000 |
Power Source | Plug-In |
Temperature (Max) | 140 °F |
Temperature (Min) | 100 °F |
Voltage | 120 |
Electrical and Operational Information
Altitude Certification | 10100 ft. |
Amperage | 5 |
Condensing | Yes |
Default Temperature | 120 °F |
Frequency | 60 Hertz |
Fuel Type | Natural Gas |
Ignition Type | Electric |
Max BTU Input | 180000 |
Power Source | Plug-In |
Temperature (Max) | 140 °F |
Temperature (Min) | 100 °F |
Voltage | 120 |
Warranty and Product Information
Approved for Commercial Use | Yes |
Certifications | AHRI, ANSI, CSA |
Collection | Adapt |
Commercial Warranty | 1 Year Labor, 1 Year Parts |
Country Of Origin | China |
Energy Star | Yes |
Heat Exchanger Warranty | 15-Years |
Low Lead Compliant | Yes |
Manufacturer Warranty | 5 Year Parts |
Mobile Home Approved | Yes |
Outdoor Approved | No |
Product Variation | Whole House Water Heater |
SCAQMD Compliant | Yes |
Series | Adapt |
Title 20 Compliant | Yes |
Uniform Energy Factor | 0.95 |
Warranty and Product Information
Approved for Commercial Use | Yes |
Certifications | AHRI, ANSI, CSA |
Collection | Adapt |
Commercial Warranty | 1 Year Labor, 1 Year Parts |
Country Of Origin | China |
Energy Star | Yes |
Heat Exchanger Warranty | 15-Years |
Low Lead Compliant | Yes |
Manufacturer Warranty | 5 Year Parts |
Mobile Home Approved | Yes |
Outdoor Approved | No |
Product Variation | Whole House Water Heater |
SCAQMD Compliant | Yes |
Series | Adapt |
Title 20 Compliant | Yes |
Uniform Energy Factor | 0.95 |

