Here how to read the New serial number: W 0 E 4 298223 (The month October, November, and December does not count with 2004)Ĥth digits M are the TYPES OF ITEM. B is in Februaryģrd digits F are the year. X was made in MexicanĢnd digits B are the month. Here how to read the old serial number: X B F M 220710ġst digits X is the plant. York Hvac New Serial NumberĬlick the link in the bottom of the pages for question New serial number format looks like this. New Serial Number from October, 2004 to the present day Old Serial Number format look like this: XBFM220710, EADM203490, and BKJM310394. Old Serial Number from 1971 – October, 2004 York hvac had two different serial numbers for 1971 through 20 through the present day.
How To Read York Hvac Model And Serial Number