If you are having difficulty finding your water heater serial number it may be helpful to. The first two numbers are the year and are then followed by the month. Rinnai – similar to the example above the date of manufacture can be fpund in the first four numbers of the serial code.Navien provides a chart to help you decode your serial number. Navien – depending on the model of water heater you will see a different style of serial code.Listed below are a few examples of common water heater manufacturers and how they list their serial numbers and where you can find serial number information.
Not every water heater manufacture provides the date in such an clear pattern as Rheem. In this scenario the water heater would have been manufactured in January of 2008. In this case the first two numbers, 01, are the month of manufacture while the second two numbers represent the year, 98.
RHEEM SERIAL NUMBERS DECODER CODE
By looking at the 9 digit serial code of a Rheem water heater you can note that the first four numbers of the serial number are the manufacture date.Īn example of a Rheem serial code format could be as follows On Rheem units, the serial number contains the year and month that the water heater unit was manufactured. Some water heater manufactures, such as Rheem make it easy for you to determine the age of your water heater unit. Most serial numbers will be a combination of numbers and letters.
This applies to both hot water heater tanks and tankless water heater systems. All water heaters will have a serial number located on the exterior of the unit. The best way to determine how old your water heater is, is to look at the serial number. This guide will offer you step by step information to help you determine the age of your water heater and help you decide when it may be time to obtain a replacement. The good news is that this information is readily available and easy to find on your hot water heater itself. If you were not the first owner of your home and are unsure when your hot water heater was installed it is important for you to find out this information. The first data plate shown below indicates the water heater was manufactured in 1987, and the second one is 2012.On average a water heater will last you 8-12 years before needing replacement. There may, or may not, be a single letter before the first two numbers. The first two numbers in the serial number of a Kenmore water heater are the year of manufacture. How do I tell how old my Kenmore water heater is? Check to see if the installation date is listed on the sticker.
The sticker is generally above the heater's warning labels and next to the energy guide. Locate the manufacturer's label and serial number on the side of your water heater. People also ask, how do you read the date on a water heater? John Wood was part of GSW, Inc., which manufactured water heaters in its Fergus, Ontario plant under the GSW and John Wood brand names. Likewise, people ask, how long does a John Wood water heater last?īeside above, who makes John Wood water heaters? John Wood was founded in Canada over 150 years ago as a tinware and farm implements company. The first two numbers represent the year the heater was built. This can be determined by looking at the first four numbers, ignoring any letter that may start the serial number. John Wood serial numbers contain a lot of information, including when the heater was manufactured.
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