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.
If the water heater is old and corroded, cleaning the sediment from the water and sanitizing by chlorination could cause the water heater to leak. Procedure for Sanitizing of Hot Water Heaters to Eliminate Odors. 1  1. Turn off the manual switch if the water heater is electric. 2  For gas heaters, turn the control to Pilot.