Weatherking®

How to determine the date of production/manufacture or age of Weatherking® HVAC Systems.

The date of production/manufacture or age of Weatherking® HVAC equipment can be determined from the serial number located on the data plate.

Parent Company:  Paloma

Example serial number styles/formats found:

  • Style 1:    CB5D302F099903346
  • Style 2:     5428 M2100 13553
  • Style 3:     123451872
  • Style 4:     0004211300-239-0099
  • Style 5:      850304091

Style 1:   CB5D302F099903346


Style 2:   5428 M2100 13553

The Date of Manufacture is coded in the middle group of digits following a letter designation of either “F” or “M” and represent the week and year of production.  (Also see the RHEEM slide below for another version of this type of serial number)

Style 3:   123451872



Style 4:   0004211300-239-0099

The Date of Manufacture is coded in the first four digits  and represent the year and month of production.

Style 5:   850304091

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

Page last updated: 7/30/2017

RHEEM Corporate Office
1100 Abernathy Road, Suite 1400
Atlanta, GA 30328

www.rheem.com

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