Brand new house with York furnace and ac.
Need help with age.
A/C Unit
s# WOG7041365
Furnace Unit
s# WOK7288571
Brand new house with York furnace and ac.
Need help with age.
A/C Unit
s# WOG7041365
Furnace Unit
s# WOK7288571
Third letter in the serial # is an indication of the year make. Though I don’t understand how these “old” appliances could be in the brand new house.