Atherion®
How to determine the date of production/manufacture or age of Atherion® HVAC Systems.
The date of production/manufacture or age of Atherion® HVAC equipment can be determined from the serial number located on the data plate.
Parent: Modine
Sister or similar Brands Include: Airedale® | Atherion® | Effinityy 93® | Hot Dawg® | Modine® | Valedictorian®
Example serial number styles/formats found:
- Style 1: 200108AKG26241
- Style 2: 97JKGK153
- Style 3: AKEC08701
Style 1: 200108AKG26241
Description: Fourteen (14) character Serial number begins with six (6) numerical digits followed by three (3) letters and ends with five (5) numerical digits.
Year of manufacture is 1st-4th numerical digits
Month of manufacture is 5th-6th numerical digits

Style 2: 97JKGK153
Description: Nine (9) character Serial number begins with two (2) numerical digits followed by five (5) letters and ends with three (3) numerical digits.
Year of manufacture is 1st-2nd numerical digits
Month of manufacture is 3rd character (see chart)

Style 3: AKEC08701
Description: Nine (9) character Serial number begins with four (4) letters followed by five (5) numerical digits.
Year of manufacture is 6th-7th numerical digits
Month of manufacture is 8th-9th numerical digits

Page last updated: 7 Sep 2015