Water heaters are not cheap, and buying a new one can be a significant investment. 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. 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. 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. Every 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.
Smith, and their rating plates can be read in the same way. American Water Heater rating plates are easy to read. They consist of 10 digits, the first two of which tell the year and the second two of which tell you the week of the year. This means a serial number starting with would have been made in the 35 th week of American Water Heaters makes units that are sold under many other brand names.
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The following brands are also manufactured by American Water Heaters and can be read in the same way:. With Bradford White, things are a little more complicated since this manufacturer uses a letter in the serial number to represent the year and a letter to represent the month.
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This means you need to know which year and month each letter stands for or you have no way of telling the age of the water heater. The first letter in the serial represents the year - here is the key that tells you the year the first letter stands for:. The second letter in the serial number tells you the month - here is the key to decoding this information:. So with this information, you can now work out that a water heater with a serial number of BH was made in August of since B stands for and H stands for August.
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Bradford White also makes water heaters that are sold under the Jetglas brand, and the serial numbers of these water heaters can be read in the same way. State Water Heaters makes heaters that are sold under a range of brand names. There are three possibilities for the type of serial number you will find on a water heater manufactured by this company.
With the first type, the serial number will begin with four numbers.
In this case, the first two stand for the year and the second two for the week of the year. This means a water heater with a serial number would have been manufactured in the tenth week of The second type uses a letter to represent the month, which is followed by a number telling you the year.
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This means that, for example, a serial number beginning with C12 would have been made in March of Most water heater manufacturers code the date of manufacture of their appliance in the serial number.
You should be familiar with how to extract the date from the serial n umber. Some manufacturers such as Rheem use the first 4 numerical digits of the serial number to code the date. So if the water heater has a serial number that starts withthe water heater would have been manufactured in December of This is often logical and easy to understand - click here to see a for dating Rheem water heaters.
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We have no relationship with advertisers, products, or services discussed at this website. Page top photo: a Rheem brand electric water heater installed in a Christchurch New Zealand home.
The Rheem water heater serial number is found on the data tag or label on your water heater's exterior. On Rheem tankless water heaters the serial number is located inside of the heater body on the right side.
On Rheem heat pump water heaters the serial number is located on a label on the upper left side of the unit. Serial No. RH B decodes to August Shown in our photo: Some Rheem water heaters such as this electric water heater made by Rheem New Zealand and installed in a Christchurch home will give the date of manufacture explicitly. Rheem serial numbers on modern heating equipment can be decoded by mapping the corresponding digits of the unit's serial number as follows:.
Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Apr 26, Some manufacturers such as Rheem use the first 4 numerical digits of the serial number to code the date. So if the water heater has a serial number that starts with , the water heater would have been manufactured in December of This is often logical and easy to understand - click here to see a for dating Rheem water heaters. The date of production/manufacture or age of Rheem Water Heater(s) can be determined from the serial number. Serial number styles/formats found are: >Style 1: 08 84 B (Serial Number begins with a prefix between one to four letters in length - i.e. R; RN; RNG; RHNG; etc.).
Rheem Manufacturing Co. Rheem is a subsidiary of Paloma industries.
In order to calculate the age of your tank or tankless water heater, all we need is your water heater's serial number. We've included some images of Rheem water heater labels below 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. With a Rheem water heater, once you have located the rating plate, you need to find the serial number, which will be made up of 10 numbers and letters. Once you have found this, look at the first four numbers. The first two numbers represent the month of manufacture while .
Thank you for the added information, Nick. I will continue researching to see if we can find a key to older Rheem water heaters that pre-date the modern date encoding schema.
Because Rheem water heaters or calorifiers or geysers were sold under quite a few brands and over many years, there is a plethora of Rheem water heater serial number formats.
To date we have found at least nine Rheem water heater age encoding schemes depending on the era of manufacture and also on the type of water heater. We summarize these below.
Photo: an older Rheemglas Standard water heater, Serial No. R B decodes to August Compare the serial number with the article above. Your Serial No. Nice photos of your antique Frigidaire water heater logo, stamps on the actual heater tank, and proof that the GM or Frigidaire water heater was actually manufactured by Rheem; thanks.
Sometimes we can find patent nos. Mod - approximately Plant City, FL only other picture is of a cover plate.
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Any serial number tag may be hidden on the backside of unit under cabinet. Thanks for the interest. On - by mod - Age of Frigidaire Part No.
Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned. 11 rows Rheem. AquaTherm, General Electric, Hotpoint, Professional, Rheem, Vanguard, WesternAuto. Serial# - 1 st 4 digits. 1 st & 2 nd digit = month, 3 rd & 4 th digit = year. xxx= made in the year in the first month, January. Richmond. Richmond. Serial# - 1 st 4 digits. 1 st & 2 nd digit = month, 3 rd & 4 th digit = year. xxx= made in. We discuss Rheem-manufactured water heater date codes in more detail below. [Click to enlarge any image] The Rheem water heater serial number is found on the data tag or label on your water heater's exterior. On Rheem tankless water heaters the serial number is located inside of the heater .
Well that's a great photo, Charlie. If you can also post a photo of the whole heater that'd be great.
This is quite obviously a Frigidaire branded water heater with Frigidaire Part No. I've searched under both brands and part numbers without a hit.
Tell me if you can The country and city where this heater is installed The age of the building where it is or was found. Thanks for the puzzle, Adam. A68CN3X doesn't quite fit the known serial number decoding patterns for Rheem.