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.
While no hot water can be a sure sign that the water heater has failed, it could also mean the pilot light is out or the circuit breaker tripped. Examine the Water Examine the water that comes out of the hot faucet. If it appears rusty, this signals an upcoming failure of your water heater. Look for signs of muddy water or increased sediment in the water tank. Attach a hose to the drainage bib on the water heater, turn the unit off and drain it to examine its contents.