Replacement Parts Finder

The old parts lists have been removed from this page because they do not accurately reflect what parts should be used for replacement. Find the correct replacement parts for your water heater by using its serial number.

Don't Know Your Serial Number?

QR Code Product Support at your Fingertips!

Get fast, easy access to product information, including replacement parts specific to your unit, and solve problems without having to call technical support.

How The QR Code Works

1. Find The Rating Plate

Gas water heater with callout for rating plate that has a QR code.

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

screenshot of a rating plate that has a QR code circled in red.

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

QR code product support site after a QR code is scanned.

Displayed is the Model Number, Serial Number, Warranty Status, and links to the User Manual, Registration, Troubleshooting, Technical Support, and Find A Contractor.