The first four digits represent the date of manufacture, with two digits for the year followed by two digits for the month, separated by a period.
#AGE OF WATER SERIAL NUMBER#
This is probably the easiest serial number style to decode. With digits five through eight being 0705 in this example, we know the heater was built in July of 2005. Digits five and six will show the month while seven and eight will be the year. Unlike the other styles of serial numbers, here, none of the first four digits are used for the date.
As you can see in our example, the numbers 2898 as digits 4-8 show that the heater was built in week 28 of 1998. Digits three and four, however, represent the week that the heater was built, while the following two digits indicate the year. With serial number style three, the first two digits have nothing to do with the manufacture date. We can see in this example that digits two and three make 16 while digits four and five are 08, meaning the heater was manufactured in the 16 th week of 2008. Digits two and three will indicate the week of the year that the heater was born with the following two digits expressing the year.
In this style, the first digit isn’t used in the date. In this example, 10 shows that the heater was built in October while the 12 represents the manufacturing year of 2012. Here, the first two digits stand in for the month, while the following two digits represent the year.
#AGE OF WATER HOW TO#
How to Decode Serial Number Style 1: 1012****** (October, 2012) You might also be interested in: 7 Different Types of Water Heaters – Pros and Cons In this example, we can see the letter C signifies the heater was built in March, and the 05 shows it happened in 2005. Digits three and four indicate the year of manufacture. So, January is A, February is B, March is C, all the way to December at letter N. The letters go in order with the months chronologically from A to N skipping I. In this style of serial number, which was used prior to 2008, the second digit is a letter that represents the month of the year the heater was built. Here, 14 signifies that the heater was built during the 14 th week of the year. The first serial number style applies to models built since 2008 and is still being used at present.
#AGE OF WATER INSTALL#
Just count back the number of years since the install date and you’ll know how old the heater is. Most manufacturer’s labels list an installation date, which is close enough to the manufacture date for you to use. Granted, not every water heater has a label, but if yours does, it should make it easy to figure out when it was made. Reading the label is the easiest way to tell how old your water heater is. By the end, you’ll be able to tell how old your water heater is, giving you a good idea of how much more life it’s got left in the tank.
This isn’t a terribly difficult process, but you do have to know what to look for, which is what we’re going to discuss in this article. But if you want to stay on top of replacement, you’ll need to know how old your water heater is so you can determine when it needs to be replaced. Once it dies, you’ll be left without hot water while you’re waiting for repairs.
It’s in your best interest to replace your water heater before it goes out. When your water heater starts to go bad, you might end up with muddy or rusty water, you could hear loud clanging noises from the heater, and you might not get any hot water, or the water could be very slow to heat. Water heaters last an average of about 10 years, though some models can last twice that under the right conditions.
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