In order to calculate the age of your water heater, all we need is your heater’s serial number. We’ve included some images of Rheem water heater labels for your reference, but once you’ve located your serial number simply enter it in, click the “Check Serial Number”, and our calculator will let you know just how old your Rheem water heater really is.
Some Sample Serial
Below are examples of water heater labels. The circled area in the examples show where you can find your water heater’s serial number.
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