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.
By scheduling annual draining and flushing of the tank and other inspections, you can extend the life of the water heater and save yourself money and unexpectedly cold showers. 1  1. How to Make Your Water Heater Last Water heaters have a few main components âthe thermostat and the water tank. All water heaters will also have an inlet pipe for cold water, and outlet pipe for hot water. Besides, a gas water heater will have a pilot light and a temperature and pressure valve. An electrical water heater will have a heating element while a gas water heater will have a burner. To ensure that your water heater lasts longer you need to protect all of these parts. If the tank of the water heater is corroded, it needs to be replaced to prevent leaks and water floods.