Our water heater had been installed on December 19, 2022. The part was covered under warranty, but not for service (2 year warranty). I was instructed to order this part by our gas company SDG&E ...
We bought an AOSmith water heater 5 years ago ... less than 2 years ago obviously the filter is still covered under the warranty. Bad product, never again. Sold exclusively by plumbing wholesalers ...