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Caldera serial numbers

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Dr. Spa™ Ret.:
Figured I give this a go here this time around ;D

Caldera Spas. There's a letter in the serial number that indicates the year of manufacture. Anyone have an idea which years are indicated by which letters?

Thanks

Vanguard:
The first couple of letters indicate model.  Then, you'll see something like 1J2001.  The 1 is the quarter it was built, the J represents the year.  I can't remember the year indicator, though.  The 2001 is the sequence in which it was produced.

So, a Geneva would be something like GEB1J2001. 

Going back in my memory, so that may not be exactly correct.

Same with Hot Spring.  A Grandee would be GG1J2001

Dr. Spa™ Ret.:
It's the year indicator I'm trying to figure out...figures.

the serial number I'm working with is OLHS4G3111

the OH is for the model - Olympia
HS - is for Highland Series
4 - I believe is the quarter produced
J - is the year of manufacture (AND WHAT I'M TRYING TO FIGURE OUT :-)
2001 - this number of this model of spa produced in that year/quarter

Spatech_tuo:
OK, here is the year scoop I got for Hot Spring from '89 to present with Caldera mixed in from 2000 on when Watkins bought them. You'll see the letter "I" is skipped since it looks like a "1" just as you can expect to see it go from "N" to "P" and skip the "O" in a couple years.

1989   9
1990   0
1991   1
1992   2
1993   3
1994   4
1995   5
1996   6
1997   7
1998   8
1999   A
2000   B  This is when Caldera came in and from here on it pertains to both
2001   C
2002   D
2003   E
2004   F
2005   G
2006   H
2007   J
2008   K
2009   L

Dr. Spa™ Ret.:
Yup. I just got an email that confirms this... or does this confirm the email?

Thanks!

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