WaterFurnace®

How to determine the date of production/manufacture or age of WaterFurnace® HVAC Brands.

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

Parent Company:  WaterFurnace International
Example serial number styles/formats found:
  • Style 1: UJ1087
  • Style 2:  D8367019
  • Style 3: 180100228

Style 1:   UJ1087

Year of manufacture – The first digit (letter) of the serial number.  (See chart below)
Month of manufacture – The second digit (letter) of the serial number.  (See chart below)


Style 2:  D8367019

Month of manufacture is the 1st letter digit of the serial number. (See chart below)
Year of manufacture is the 2nd & 3rd numerical digits.

 


Style 3:   180100228

Year of manufacture – The first two digits of the serial number.

Page last updated: 25 April 2019