How do I know when my water heater was manufactured?

Based on your units serial number, the manufacturing date is easy to determine:

  • The first two digits of the serial number are related to the manufacture year
  • The next two digits are related to the manufacture week

The serial number can be found on the rating plate; a stickers that looks like the one below (this one is for a BFC Cyclone):

Rating plate product

If you want to know when this BFC was produced, you can look at the serial number. That starts with 20. The device was produced in 2020. The next two digits are 37. So that is week 37. That means it was produced between September 7 and 13, 2020.

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