Serial number key - month and year of manufacture, Serial number and model codes (cont'd), Decoding a maps – Reznor Valves Parts Manuals User Manual
Page 4: Elements 1-5 apply to all maps, Models. elements 6-8 apply to a maps, Ey: 1 = phase (1 or 3)

Form P-VALVES, P/N 263995R4, Page 4
Year
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
1963
OA
OB
OC
OD
OE
OF
OG
OH
OI
OJ
OK
OL
1964
PA
PB
PC
PD
PE
PF
PG
PH
PI
PJ
PK
PL
1965
QA
QB
QC
QD
QE
QF
QG
QH
QI
QJ
QK
QL
1966
RA
RB
RC
RD
RE
RF
RG
RH
RI
RJ
RK
RL
1967
SA
SB
SC
SD
SE
SF
SG
SH
SI
SJ
SK
SL
1968
TA
TB
TC
TD
TE
TF
TG
TH
TI
TJ
TK
TL
1969
UA
UB
UC
UD
UE
UF
UG
UH
UI
UJ
UK
UL
1970
VA
VB
VC
VD
VE
VF
VG
VH
VI
VJ
VK
VL
1971
WA
WB
WC
WD
WE
WF
WG
WH
WI
WJ
WK
WL
1972
XA
XB
XC
XD
XE
XF
XG
XH
XI
XJ
XK
XL
1973
YA
YB
YC
YD
YE
YF
YG
YH
YI
YJ
YK
YL
1974
ZA
ZB
ZC
ZD
ZE
ZF
ZG
ZH
ZI
ZJ
ZK
ZL
1975
AAA
AAB
AAC
AAD
AAE
AAF
AAG
AAH
AAI
AAJ
AAK
AAL
1976
ABA
ABB
ABC
ABD
ABE
ABF
ABG
ABH
ABI
ABJ
ABK
ABL
1977
ACA
ACB
ACC
ACD
ACE
ACF
ACG
ACH
ACI
ACJ
ACK
ACL
1978
ADA
ADB
ADC
ADD
ADE
ADF
ADG
ADH
ADI
ADJ
ADK
ADL
1979
AEA
AEB
AEC
AED
AEE
AEF
AEG
AEH
AEI
AEJ
AEK
AEL
1980
AFA
AFB
AFC
AFD
AFE
AFF
AFG
AFH
AFI
AFJ
AFK
AFL
1981
AGA
AGB
AGC
AGD
AGE
AGF
AGG
AGH
AGI
AGJ
AGK
AGL
1982
AHA
AHB
AHC
AHD
AHE
AHF
AHG
AHH
AHI
AHJ
AHK
AHL
1983
AIA
AIB
AIC
AID
AIE
AIF
AIG
AIH
AII
AIJ
AIK
AIL
1984
AJA
AJB
AJC
AJD
AJE
AJF
AJG
AJH
AJI
AJJ
AJK
AJL
1985
AKA
AKB
AKC
AKD
AKE
AKF
AKG
AKH
AKI
AKJ
AKK
AKL
1986
ALA
ALB
ALC
ALD
ALE
ALF
ALG
ALH
ALI
ALJ
ALK
ALL
1987
AMA
AMB
AMC
AMD
AME
AMF
AMG
AMH
AMI
AMJ
AMK
AML
1988
ANA
ANB
ANC
AND
ANE
ANF
ANG
ANH
ANI
ANJ
ANK
ANL
1989
AOA
AOB
AOC
AOD
AOE
AOE
AOG
AOH
AOI
AOJ
AOK
AOL
1990
APA
APB
APC
APD
APE
APF
APG
APH
API
APJ
APK
APL
1991
AQA
AQB
AQC
AQD
AQE
AQF
AQG
AQH
AQI
AQJ
AQK
AQL
1992
ARA
ARB
ARC
ARD
ARE
ARF
ARG
ARH
ARI
ARJ
ARK
ARL
1993
ASA
ASB
ASC
ASD
ASE
ASF
ASG
ASH
ASI
ASJ
ASK
ASL
1994
ATA
ATB
ATC
ATD
ATE
ATF
ATG
ATH
ATI
ATJ
ATK
ATL
1995
AUA
AUB
AUC
AUD
AUE
AUF
AUG
AUH
AUI
AUJ
AUK
AUL
1996
AVA
AVB
AVC
AVD
AVE
AVF
AVG
AVH
AVI
AVJ
AVK
AVL
1997
AWA
AWB
AWC
AWD
AWE
AWF
AWG
AWH
AWI
AWJ
AWK
AWL
1998
AXA
AXB
AXC
AXD
AXE
AXF
AXG
AXH
AXI
AXJ
AXK
AXL
1999
AYA
AYB
AYC
AYD
AYE
AYF
AYG
AYH
AYI
AYJ
AYK
AYL
2000
AZA
AZB
AZC
AZD
AZE
AZF
AZG
AZH
AZI
AZJ
AZK
AZL
2001
BAA
BAB
BAC
BAD
BAE
BAF
BAG
BAH
BAI
BAJ
BAK
BAL
2002
BBA
BBB
BBC
BBD
BBE
BBF
BBG
BBH
BBI
BBJ
BBK
BBL
2003
BCA
BCB
BCC
BCD
BCE
BCF
BCG
BCH
BCI
BCJ
BCK
BCL
2004
BDA
BDB
BDC
BDD
BDE
BDF
BDG
BDH
BDI
BDJ
BDK
BDL
2005
BEA
BEB
BEC
BED
BEE
BEF
BEG
BEH
BEI
BEJ
BEK
BEL
2006
BFA
BFB
BFC
BFD
BFE
BFF
BFG
BFH
BFI
BFJ
BFK
BFL
2007
BGA
BGB
BGC
BGD
BGE
BGF
BGG
BGH
BGI
BGJ
BGK
BGL
2008
BHA
BHB
BHC
BHD
BHE
BHF
BHG
BHH
BHI
BHJ
BHK
BHL
2009
BIA
BIB
BIC
BID
BIE
BIF
BIG
BIH
BII
BIJ
BIK
BIL
2010
BJA
BJB
BJC
BJD
BJE
BJF
BJG
BJH
BJI
BJJ
BJK
BJL
2011
BKA
BKB
BKC
BKD
BKE
BKF
BKG
BKH
BKI
BKJ
BKK
BKL
2012
BLA
BLB
BLC
BLD
BLE
BLF
BLG
BLH
BLI
BLJ
BLK
BLL
2013
BMA
BMB
BMC
BMD
BME
BMF
BMG
BMH
BMI
BMJ
BMK
BML
2014
BNA
BNB
BNC
BND
BNE
BNF
BNG
BNH
BNI
BNJ
BNK
BNL
2015
BOA
BOB
BOC
BOD
BOE
BOF
BOG
BOH
BOI
BOJ
BOK
BOL
2016
BPA
BPB
BPC
BPD
BPE
BPF
BPG
BPH
BPI
BPJ
BPK
BPL
2017
BQA
BQB
BQC
BQD
BQE
BQF
BQG
BQH
BQI
BQJ
BQK
BQL
2018
BRA
BRB
BRC
BRD
BRE
BRF
BRG
BRH
BRI
BRJ
BRK
BRL
Serial
Number
and Model
Codes
(cont'd)
Decoding a MAPS
®
Unit Serial No.
Serial No. Sample:
3 BIJ 789 BK 08 N 96 7D
Elements of No.:
1| 2 | 3 | 4 | 5 |6| 7 | 8
Elements 1-5 apply to all MAPS
®
models.
Elements 6-8 apply to a MAPS
®
with a gas heat section .
K
ey: 1 = Phase (1 or 3)
2 = Date CODE (See table below.)
3 = Consecutive number
4 = Drive (See Form P-MAPSII or P-MAPSIII)
5 = Motor HP (See explanation on the right.)
6 = Type of Gas (N = Natural)
7 = Ignition CODE (See pages 6-10.)
8 = Valve CODE (See pages 12-22.)
Motor HP
Serial No. Code
1/2
03
3/4
04
1
05
1-1/2
06
2
07
3 (3450 rpm)
08
5 (3450 rpm)
09
7-1/2
11
15
12
10
13
20
14
3 (1800rpm)
15
5 (1800rpm)
16
Serial Number Key - Month and Year of Manufacture