Rheem

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Style 1:

The Date of Manufacture is in the first four digits of the serial number and represent the month and year of production:

 

1204D01634

12 04 D01634

Month 12

Year 04

 

Style 2:

The Date of Manufacture is in the middle group of digits following a letter designation of either “M” or “F” and represents the week

and year of production:

 

OR177 M2807 00197

OR177 M 28 07 00197

Week 28

Year 07

 

5790 M1597 38699

5790 M 15 97 38699

Week 15

Year 97

 

W291015412

W 29 10 15412

Week 29

Year 10

 

CB5D402F099903346

CB5D402F 09 99 03346

Week 09

Year 99

 

Style 3:

The Date of Manufacture is coded in the last four digits of the 9-digit serial number and represents the week and year of production:

 

129451872

12945 18 72

Week 18

Year 72