AO Smith Water Heater Age

Do you have a water heater? Have you installed an AO Smith water heater in your home? Do you want to know about the manufacture of your water heater? Here, we will tell you how to determine the AO Smith Water Heater Age.

What is AO Smith?

AO Smith is the biggest manufacturer in America, producing many kinds of water heaters as its main products. AO Smith also supplies water treatment products in Asia and offers various kinds of water heaters that are innovative every time.

The manufacturer provides the water heater, which makes it easy for people to install that appliance. This manufacturer always develops glass-lined steel water heater quality.

It reaches constant and maximum innovation to lead a high position in the market. AO Smith produces a new tank water heater. It has around 115 to 445 liters of tank capacity.

Determine the AO Smith Water Heater Age

Why do we need to know the age of our water heaters? Knowing the age of your water heater will help you know when you need to repair and service it.

You will know when to replace and buy the new water heater. By understanding the age, you will minimize the risk of water heater problems that might happen.

Numbers represent the year of manufacture of the bottom of the home water heater, which can typically be identified by the first four digits of the AO Smith water heater model number.

How do you determine the age of your water heater? We can see the serial number of our AO Smith water heater to determine its manufacturer or age. There are three serial number styles, which tell about the manufacturer or age of the water heater.

First, you have to look at the first four digits of the serial numbers. These represent the year and week when the item was produced. Second, most manufacturers also use letters as the month of production. The manufacturer’s date is coded in the serial numbers’ first four or three digits.

It represents the months and years of its production. Third, the manufacturer’s date is designed in serial numbers’ second to fourth digits. This shows consumers the month and year when the water heater was produced.

So, here are some ways to help you consider the age of your water heater. If you know the manufacturer’s date, you will automatically know the age.

Personal Experience

As a homeowner who has dealt with multiple AO Smith water heaters, I have found that the serial numbers provide a straightforward way to determine the unit’s age. This is particularly useful when considering replacement.

I had an experience where a heater’s declining performance prompted me to check its age, revealing it was over 15 years old. Replacing it with a newer model significantly improved efficiency and reduced energy costs.

Industry experts say,

“Older AO Smith models might use different formats. For instance, serial numbers starting with YYWW, where YY indicates the year and WW the week, help easily identify the manufacturing date. Another format is MMYY, where MM is the month and YY the year. Models from the 1970s often used simpler formats, embedding the year within the serial number.”

Here is a summarized table of serial number formats for AO Smith water heaters: