Rheem® Water Heater Age

 

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:  R 0884B10488  (Serial Number begins with a prefix  - i.e. R; RN; RNG; RHNG; etc.)
→Style 2: RHLN 0106534307 (Serial Number begins with a prefix  - i.e. R; RN; RNG; RHLN; etc.)
→Style 3: A141511869
→Style 4: D1114A441408265A
→Style 5: RHNG 0804P000036  (Serial Number begins with a prefix  - i.e. R; RN; RNG; RHNG; etc.)
→Style 6: 05.05-000021 (Tankless Water Heater)
→Style 7:  RHUN M181401735 (Serial Number may begin with a prefix  - i.e. R; RN; RNG; RHNG; etc.)

Legend:  Year is RED;  Month is GREEN;  Week is BLUE


Style 1:   R 0804B10488

Prefix can be R; RH; RHLN; RHNG; RU; etc.


Style 2:  RHLN  0106534307

Prefix can be R; RH; RHLN; RHNG; RU; etc.


Style 3:    A141511869

Style 4:    D1114A441408265A

Style 5:  RHNG  0804P000036

Prefix can be R; RH; RHLN; RHNG; RU; etc.


Style 6:    05.05-000021

Style 7:  RHUN  M181401735

Prefix can be R; RH; RHLN; RHNG; RU; etc.

Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of water heating equipment. Anytime anyone is dealing with numbers and letters in determining data, mistakes and misinterpretation are bound to happen. For this reason if you find during your research that we may have erred please contact us. In addition perhaps you have come across a brand, model or serial number format that we have not addressed. Contact us with your concerns or new submissions. Please include all pertinent information including clear and legible pictures of data/nomenclature plates.