Rheem® HVAC Age

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

The date of production/manufacture or age of Rheem® 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:     W291013412

Style 2:      CB5D302F099903346

Style 3:      7351  M2806  16735

Style 4:      OR177  M2807  00097

Style 5:      0804B10488

Style 6:      123451872

Style 7:    8032W251023841

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

Style 1:   W291013412


Style 2:   CB5D302F099903346


Style 3:    7351  M2806  16735


Style 4:    OR177  M2807  00097


Style 5:   0804B10488


Style 6:   123451872


Style 7: 8032W251023841

Page last updated: 6/6/2018