What do the numbers on a tire mean? The DOT number appears on the sidewall of all tires intended for sales in the U.S., and designates the location of manufacture, the week and year of production, and the specific tire.
Water heater anode rod or sacrificial anode is the important component part with only one purpose; to protect metal tank from corrosion. Use this article to learn how to replace the anode, installation tips, how it works, about different types and when to use each one.
Hello: Things depend on the heater you have. If it is a conventional round heater by a brand like AO Smith, State, Rheem, Bradford White; a conventional 3/4 hex or combo anode should do. If it is a rounded box shaped heater like Ariston, the anode is a completely different item.