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- #Determine age of water heater how to#
- #Determine age of water heater serial number#
- #Determine age of water heater serial#
- #Determine age of water heater plus#
The third and fourth numbers indicate the year. In example two, we see a system consisting of the letters ‘A’ to ‘M’, excluding ‘I’, to represent the month. The next two figures relate to the week number. In example one, they’ve referenced the year as the initial two digits. If you look at our examples in Figure 5, is a pre–2000 and the second is pre–2008.
#Determine age of water heater serial#
Smith, they now use an identical serial numbering system. The first indicates the year and the second signifies the month.Īmerican Water Heater: Because American water heaters are, as of 2001, a subsidiary of A. They’ve also chosen not to indicate which month or week their units were built.īradford White: Instead of using numbers, Bradford White uses two letters ( Figure 4). On older models, Navien simply put the year after the first four numbers. After this letter, there’s a number indicating the year of production followed by another letter.
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On newer models, you’ll see four numbers followed by a single letter. Navien: This manufacturer takes a totally different approach ( Figure 3). For their older pre–1999 models, Rheem used weeks instead of months. Rheem sometimes presents the key dates in this alternative way. However, if you look at example two, you’ll notice the numerical order has changed slightly-instead of being the first four digits it’s displayed as the third to sixth. In the first example we can see the first and second digits are the month. Their newer models, (constructed after 2000) are identified by the month, then the year of manufacture. Rheem: Rheem ( Figure 2) also adopts a simple approach for their different brands.
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The two following numbers indicate the year. ‘A’ equals January and ‘M’ equals December. For models pre–2008, you should see a number followed by a letter ranging from ‘A’ to ‘M’ (excluding ‘I’). For their older, pre-1997 models, they state the year and week within the first four numbers. Smith: ( Figure 1) uses a very basic system which should be straightforward to figure out.
#Determine age of water heater plus#
To help you decipher your serial number, we’ve put together a guide plus examples from multiple brands and manufacturers.Ī.O. Manufacturers tend to use different patterns or formats so you’ll have to find your specific manufacturer or brand in order to do this. But this is where it gets a little tricky.
#Determine age of water heater serial number#
The serial number holds two crucial details: the month and year of construction. It’s usually placed nearby the energy guide or warning labels. You may want to start by decoding the serial number-find the details toward the side of the heater. On older models, however, it’s likely you’ll need to do some detective work. So let’s get started.ĭetermining water heater age is simple on most newer models-the installation date is generally recorded on the information sticker.
#Determine age of water heater how to#
In this article, we’ll walk you through some of the leading water heater brands and manufacturers, and give you a handy guide on how to gauge the age. Most hot water heaters are good for no more than 10 to 15 years. How to Determine Water Heater AgeĪs a home inspector, it’s crucial to be able to identify the age of a water heater to prevent corrosion and unnecessary water bills. > Take the Coronavirus: National Home Inspector’s Survey. > Editor’s Note: To help you stay up-to-date and connected, OREP/Working RE has established a Coronavirus (COVID-19) Discussion and Resource Page where you can share your thoughts, experiences, advice and challenges with fellow inspectors. Month of Manufacture Chart Aīradford White Month of Manufacture Table Decoderįor more information, visit Bradford White.Professional Coverage, Competitive Pricing Special Case: If your serial number starts with the letter “O”, the unit was manufactured in January of 1997. Year of Manufacture Chart Aīradford White Year of Manufacture Table Decoder Use the charts below to decode your serial number. The first letter represents the year of manufacture, and the second letter represents the month of manufacture. The serial number will always begin with 2 letters. The Bradford White water heater age can be determined by examining and decoding the serial number on the label. Related Article: Water Heater Lifespan Bradford White Water Heater Age Use this guide below to find the age of your Bradford White Water Heater.