Thanks. But, how did you know it needs to be replaced? I mean, without actually removing it. Without anode, what happen? On 2026-02-13 16:32, Khalid Baheyeldin wrote: > It was this: Rheem 0.9" and 39.5" long <https://www.homedepot.ca/ > product/rheem-0-90-inch-dia-x-39-3-8-inch-l-magnesium-anode-rod-for- > water-heater/1001628168>.