HOW OLD IS YOUR WATER HEATER?
Water heater date codes can be useful information, to determine the date when your water heater was manufactured, this information can be helpful to you or a service technician to determine if it's still under factory warranty or knowing the age will help to determine if it has served it's useful life and is ready to be replaced. Most water heaters in the Sacramento region last about an average of 12-years old.
Date codes can be found usually within the serial number of your water heater. Click on this link to find your brand of water heater and how to read the date code, you can print this pdf file if needed.
Typical water heater model and serial number information tag, the date code is usually in the "serial number"