Utica serial number with year code I: 1979
In the Utica 1979 to 2001 format the year letter I means 1979.
Serial number decoder for Utica
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: HT11826
- A Utica serial number with year code I was built in 1979 (1979 to 2001 format; source: building-center.org).
The full year-letter table
| Year code | Year(s) |
|---|---|
| I | 1979 |
| J | 1980 |
| K | 1981 |
| L | 1982 |
| M | 1983 |
| A | 1984 |
| B | 1985 |
| C | 1986 |
| D | 1987 |
| E | 1988 |
| F | 1989 |
| G | 1990 |
| H | 1991 |
| N | 1992 |
| P | 1993 |
| R | 1994 |
| S | 1995 |
| T | 1996 |
| U | 1997 |
| V | 1998 |
| W | 1999 |
| 9 | 2000 |
| X | 2000 |
| Y | 2001 |
Month letters
| Month code | Month |
|---|---|
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| K | September |
| L | October |
| M | November |
| N | December |
Official lookup: the authority
Open the official Utica lookup takes serial number; returns warranty / registration lookup; URL verified live
This site is a reference built from published tables. The manufacturer's own lookup wins whenever the two disagree.
Sources
- https://www.building-center.org/utica-hvac-age/
- img: Style-3_Utica + Style-3-Year-Chart_Utica
- https://uticaboilers.com/owner-resources/warranty/official