QR Code Product Support at your Fingertips!
Get fast, easy access to product information, including a spec sheet for your unit, and solve problems without having to call technical support.
How The QR Code Works
1. Find The Rating Plate
Find the rating plate located on the A. O. Smith Water Heater. The QR Code will be located on the rating plate.
2. Scan The QR Code
Open your camera app on iOS or Android mobile and scan the QR Code on the rating plate by pointing your camera at it. Tap the link when it appears.
3. View Support Info
Displayed is the Model Number, Serial Number, Warranty Status, and links to the User Manual, Registration, Troubleshooting, Technical Support, and Find A Contractor.
Old Tankless Maintenance Sheets
| Family | Model | Maintenance Sheet |
| Tankless Condensing with Integrated Recirculation Pump | ATI-540P-N
ATI-540P-P ATO-540P-N ATO-540P-P |
5M2054 |
| Tankless Non-Condensing Concentric Vent | ATI-110C
ATI-310C ATI-510C |
1W6010
1W5010 |
| Tankless Condensing Indoor/Outdoor Ultra-Low NOx | ATI-140H
ATO-140H ATI-240H ATO-240H ATI-340H ATO-340H ATI-540H ATO-540H |
88A166
68B166 68A166 |
| Tankless Non-Condensing Indoor/Outdoor Ultra-Low NOx | ATI-110U
ATO-110U ATI-310U ATO-310U ATI-510U ATO-510U |
1W3010
1W1010 |
| TanklessNon-Condensing Indoor/Outdoor | ATI-110
ATI-310 ATO-310 ATI-510 ATO-510 |
62Q064
62V101 62S101 |
| ATIO-910-N
ATIO-910-P ATIO-910-AN* ATIO-910-AP* |
63V151 |
