The image on the right shows a water heater manufactured in December of 2002.The LCD Dominator Series offers a competitively priced indoor/outdoor boiler and hot water heating unit that meets low NOx requirements, while maintaining superior performance and serviceability that RBI is known for. The first two digits are the month and the second two are the year. The manufacture date can be identified in the serial number. Whirlpool water heaters are also know as Envirotech and USCraftMaster water heater company. Serial # A02134562 means the tank was manufactured in 2002. Older tanks prior to 2004 will use the second and third number listed.
This tank was manufactured on the 24th week of 2009. The first two digits are the year and the second two are the week of the year.
State water heaters have the manufacture date listed in the serial number. If you notice tanks that start with X are from 2001 and P is from 1997. The chart below shows the code for everything beyond 2004. The first digit of the serial number is the year and the second is the month. The manufacture date is also in the serial number of the water heater which is displayed on the white tag below the label.
The Bradford White tanks can be a little tricky to find out how old they are. It’s usually the third and forth digit of the serial number. The picture of the tank on the right is serial # GA97-3435912-240, which means this tank was build in 1997.
For the tanks that do not display an actual date, it’s also part of the actual serial number. Many of the AO Smith tanks have the date stamped on the label next to the model and serial number. For many homeowner, it can be difficult to find out whether or not your water heater is still under warranty when it has issues. It’s not always easy to determine how old your water heater is just by looking at it.
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