How old is my Viessmann unit?
Viessmann is part of Viessmann / Carrier. 1 serial format sourced across boiler.
Serial number decoder for Viessmann
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: 73748610026311101
- Viessmann boiler serial numbers in the era not stated format encode the year as 8th digit = last digit of year (0 => 2000/2010...) and the not encoded (source: building-center.org).
- Example: serial 73748610026311101 decodes to 1950 or 1960 or 1970 or 1980 or 1990 or 2000 or 2010 or 2020.
- The era not stated format is ambiguous: Decade ambiguous; building-center's own tip says contact Viessmann for an exact date.
Decoder pages by product
Format eras
- era not stated PARTIAL
#################Boiler
Official lookup
No online serial lookup was found for Viessmann in our research. The manufacturer's customer service line, the installer's invoice, or a printed date on the plate are the remaining authorities.
What we could not confirm
- The era not stated format is only partially confirmed (PARTIAL).
- No official online lookup URL was verified for Viessmann.
- Only the year's last digit is encoded (8th digit); serials are 12-18 digits; decade needs the plate's US/Canadian listing year or Viessmann. viessmann-us.com warranty page 404.
Sources
- https://www.building-center.org/viessmann-hvac-age/
- img: VIESSMANN-Date-of-Manufacture-Serial-Number-Style-1.jpg