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.
A typical hot water heater connects to two pipes -- a cold water supply line and a hot water line. The pipes often have elbow joints so they can bend toward the water heater. Either of these water lines can leak, particularly at the joints. If water sprays from a fitting or pipe, the problem is clear.