WaterFurnace serial number starting with S: 2002
In the WaterFurnace 1985 to 2012 format the year letter S means 2002.
Serial number decoder for WaterFurnace
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: UJ1087
- A WaterFurnace serial number starting with S was built in 2002 (1985 to 2012 format; source: building-center.org).
The full year-letter table
| Year code | Year(s) |
|---|---|
| A | 1985, 2010 |
| B | 1986, 2011 |
| C | 1987, 2012 |
| D | 1988, 2013 |
| E | 1989, 2014 |
| F | 1990, 2015 |
| G | 1991 |
| H | 1992 |
| J | 1993 |
| K | 1994 |
| L | 1995 |
| M | 1996 |
| N | 1997 |
| O | 1998 |
| P | 1999 |
| Q | 2000 |
| R | 2001 |
| S | 2002 |
| T | 2003 |
| U | 2004 |
| V | 2005 |
| W | 2006 |
| X | 2007 |
| Y | 2008 |
| Z | 2009 |
Month letters
| Month code | Month |
|---|---|
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| J | September |
| K | October |
| L | November |
| M | December |
Official lookup: the authority
Open the official WaterFurnace 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/waterfurnace-hvac-age/
- img: WaterFurnace-HVAC-style-2.jpg (transcribed)
- https://warranty.waterfurnace.com/official