How old is my Buderus boiler?
Serial number age decoder for Buderus boilers: 2 format eras, the decode rule in plain English, transcribed tables, and the official lookup.
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: 63036333-00-7080-3241
- Buderus boiler serial numbers in the era not stated format encode the year as 1st digit of the 3rd group = last digit of year (7 => 2007 or 1997; confirm decade via ANSI/CSA year) and the Julian day as last 3 digits of the 3rd group (080) (source: building-center.org).
- Example: serial 63036333-00-7080-3241 decodes to day 80 of 1957 or 1967 or 1977 or 1987 or 1997 or 2007 or 2017.
- The era not stated format is ambiguous: Single year digit; decade ambiguous.
- Buderus boiler serial numbers in the era not stated format encode the year as digits 1-2 of the 2nd group (20YY) and the Julian day as last 3 digits of the 2nd group (065 = Mar 6) (source: building-center.org).
- Example: serial 253000-08065-00040-77470007354 decodes to day 65 of 2008.
Format eras
- era not stated VERIFIED
########-##-####-####1st digit of the 3rd group = last digit of year (7 => 2007 or 1997; confirm decade via ANS - era not stated VERIFIED
######-#####-#####-###########digits 1-2 of the 2nd group (20YY)
How to read the serial
era not stated formatVERIFIED
Shape ########-##-####-#### · example 63036333-00-7080-3241 · confidence medium
- Year
- 1st digit of the 3rd group = last digit of year (7 => 2007 or 1997; confirm decade via ANSI/CSA year)
- Week or month
- Julian day = last 3 digits of the 3rd group (080)
Example: serial 63036333-00-7080-3241 decodes to day 80 of 1957 or 1967 or 1977 or 1987 or 1997 or 2007 or 2017.
era not stated formatVERIFIED
Shape ######-#####-#####-########### · example 253000-08065-00040-77470007354 · confidence high
- Year
- digits 1-2 of the 2nd group (20YY)
- Week or month
- Julian day = last 3 digits of the 2nd group (065 = Mar 6)
Example: serial 253000-08065-00040-77470007354 decodes to day 65 of 2008.
Where the data plate is on a boiler
On the jacket: a plate or sticker on the front or side of the boiler casing, sometimes behind a removable front panel next to the gas valve or control.
General guidance, not brand-specific: the owner's manual or the installer can point to the exact spot. See the data plate guide.
For scale only: the InterNACHI Standard Estimated Life Expectancy Chart for Homes lists Boiler at 40 years of expected service (nachi.org). That chart is a guideline, not a prediction for your unit.
No online serial lookup was found for Buderus 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
- No official online lookup URL was verified for Buderus.
- 18-27 digit hyphenated serials; year + Julian day inside the 2nd or 3rd group. Decade may need the ANSI/CSA year. buderus.com/en is corporate, no lookup.
Sources
- https://www.building-center.org/buderus-hvac-age/
- img: Bosch.png
- img: Buderus-Style2.png