![]() ![]() The information displayed varies – for example, if you have a water heater with a tank, the information will be different from the information on a tankless water heater. How to work out the age of your water heater will depend on the manufacturer of your unit, but the idea is essentially the same.Įvery water heater has a rating plate on it that contains information such as the name of the manufacturer, the model, the wattage of the heating elements, its capacity in gallons and more. If you don’t know where to look, here’s our guide to how to determine the age of your water heater. However, at some point, it may break down and need repairing or even replacing entirely – and if this happens too early, you will need to know its age to see if it is still under warranty. Thankfully, if you buy a reliable model from a respected brand and keep it properly maintained, you can expect it to give you a good many years of service. See our previous blog post for information on water heater maintenance and learn how to keep the water in your home hot while also helping to extend the life of your water heater for years to come.Water heaters are not cheap, and buying a new one can be a significant investment. A technician will be able to help you locate the serial number on your water heater unit and will also be able to help you determine your water heaters manufacture date.Īlways remember that regular maintenance will help to keep your water heating running for as long as possible. 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. 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. On average a water heater will last you 8-12 years before needing replacement. ![]()
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