Help with age of a/c unit

Bryant ser#3399E20912. 3 ton unit.

Thanks.

33 rd week of 1999 I believe

Thanks Richard. That’s what I thought too but wanted another opinion.
Much appreciated.

It is my understanding that anything previous to the past 20 years was a complex series of letters and single digits. Call 905-672-0860 if you get stuck.

Marcel :slight_smile: :slight_smile: