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.
1 Dirty pilot tube: Sometimes, your gas water heater wonât light due to a dirty pilot tube. 2  Use a needle to remove any blockages when the pilot tube has cooled. 3  Damaged thermocouple: If none of these techniques work, it is possible your thermocouple is damaged and needs to be replaced or repaired. This will cause the thermocouple to turn off the supply of gas, and then your water heater wonât light. 2  To avoid your water heater going out, bend the thermocouple so it is closer to the pilot light. 3  Dirty pilot tube: Sometimes, your gas water heater wonât light due to a dirty pilot tube.