York AC condenser

Specific Inspection Topics Inspecting HVAC Systems
1

Ser # = WEKM041548

I’m guessing 2005 from my info and how the unit looked, however, some of the digits aren’t jiving…any confirmation would be greatly appreciated!

2

According to my notes you are to use the 3rd letter in the serial number (K), which indicates 2001.

3

Here is a chart for you.

4

May 1980 or May 2001, pick one.