Rheem Hvac Serial Number Decoder
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Rheem Hvac Serial Number Decoder
In this style, the date code is located in the middle of the serial number. The number will start with 2 letters and 3 numbers followed by a space. The first letter after the space refers to the factory. The next 4 numbers indicate the date and the last 5 numbers represent the manufacturing sequence.
This New Zealand Rheem water heater was manufactured 14/05/2007 and sports a serial number of 0723. 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.
Rheem current 10-digit serial number code: MMYYP12345 where P is the plant code and 12345 a consecutive unique ID and of course MM YY are month and year of production. This serial number may be prefixed by R, RN, RNG, RHNG or other letter combinations.
Rheem 8-digit serial number: 1234WWYY Uncertain, possibly WWYY are week number and two-digit year number for older Rheem water heaters like the Rheemglas glass lined water heater
Rheem 9 digit serial number code with alphabetic prefix: ABCDMMYY2345 MM and YY are the month and year of production. ABCD in this serial number format may be 1 to 4 alphabetic characters in length: R, RN, RNG, RHNG, RHUNM or other letters. The MMYY are the first numeric characters in the code. Example: RN 1292A29282 - 12 92 or December 1992 Alternative Rheem 9 digit serial number code using week number, with initial character: ZWWYY12345 WW is the consecutive week number (1-52) and YY is the two digit year code
Rheem 10 digit serial number code without plant code: MMYY123456 MM YY are month and year of production. This serial number may be prefixed by R, RN, RNG, RHNG or other letter combinations. Alternative Rheem 10-character serial number code without plant code: MM.YY-123456 MM.YY are month and year of production. This serial number format is used on some Rheem tankless water heaters.
Rheem 11-character serial number code with plant code: MMYYP123456 MM YY are month and year of manufacture, P is a plant code. This serial number is used on certain Rheem tankless water heaters.
Rheem 12-character serial number code: B950-3138 RCY-5 This serial number was provided by reader Nick 2018-08-27 and has not been precisely de-coded. Nick adds that the heater was made on or before 1978 and he speculates tht the B950 could refer to B-Baltimore and 950 to 9 - September and 50 - 1950. However Rheem does not have and appears not to have had a manufacturing facility in Baltimore, Maryland.
Sid If that's a Rheem serial number, it doesn't exactly match the 9 Rheem water heater age decoder formats given above, but a reasonable guess is CNYYMM or less likely CNMMYY so that's Dec 2007 - (my second example) You can do a sanity-check on a water heater decoded age by sharing (with us) some basic data such as The country and city where the water heater is installed The age of the building and for more detailed guidance please check out DATA TAG DECODING ADVICE for NON-STANDARD DATE CODES - general procedure
Mod - approximately 1961 Plant City, FL only other picture is of a cover plate. Any serial number tag may be hidden on the backside of unit under cabinet. Thanks for the interest. On 2020-04-26 - by (mod) - Age of Frigidaire Part No. 3429120 water heater made by Rheem
Thanks for the puzzle, Adam. Indeed Rheem WATER HEATER model PGW-120B sporting serial number SN. A68CN3X doesn't quite fit the known serial number decoding patterns for Rheem. There are other ways to make a reasonable guess at the age of an older water heater (that you referred to as a boiler) How old is the building where the heater is installed - this is close to the oldest the water heater (calorifier, geyser, hot water cylinder are synonyms) might be, more or less Is this the original water heater or a replacement making it newer than the building. Are ther