Replacement Parts

2
P-UBX-UBZ-UDX-UDZ (05-21) 1034346-0
WARRANTY
• One-year limited warranty on the heater.
• Nine-year extended limited warranty on the heat exchanger, burner, and flue collection box assembly.
• Four-year extended limited warranty on all electrical and mechanical operating components (with the exception
of blower belts).
• Contact your distributor for details.
REFERENCES
SERIAL NUMBER
NOTE: The serial number is located on the unit’s rating plate.
Decode serial numbers as follows:
Serial number sample: BOG 3062 00000
Elements key number: 1 | 2 | 3
Key:
1 = Date code (refer to Table 2)
2 = Plant of manufacture (3062 = Monterrey)
3 = Consecutive number
Table 1. Related Technical Manuals Available from Factory Distributor
Type Form
PN*
Installation/operation/maintenance I-UBX-UBZ-UDX-UDZ 1034344
Gas conversion CP-UB-UD-GC 1034364
Venting
I-OPT-VC 205892
CP-UBX-UDX-VENT 1034631
CP-UBZ-UDZ-VENT 1034632
*Also available at www.reznorhvac.com.
Table 2. Serial Number Date Codes (Month and Year)
Year
Month
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
2021
BUA BUB BUC BUD BUE BUF BUG BUH BUI BUJ BUK BUL
2022
BVA BVB BVC BVD BVE BVF BVG BVH BVI BVJ BVK BVL
2023
BWA BWB BWC BWD BWE BWF BWG BWH BWI BWJ BWK BWL
2024
BXA BXB BXC BXD BXE BXF BXG BXH BXI BXJ BXK BXL
2025
BYA BYB BYC BYD BYE BYF BYG BYH BYI BYJ BYK BYL
2026
BZA BZB BZC BZD BZE BZF BZG BZH BZI BZJ BZK BZL
2027
CAA CAB CAC CAD CAE CAF CAG CAH CAI CAJ CAK CAL
2028
CBA CBB CBC CBD CBE CBF CBG CBH CBI CBJ CBK CBL
2029
CCA CCB CCC CCD CCE CCF CCG CCH CCI CCJ CCK CCL
2030
CDA CDB CDC CDD CDE CDF CDG CDH CDI CDJ CDK CDL
2031
CEA CEB CEC CED CEE CEF CEG CEH CEI CEJ CEK CEL
2032
CFA CFB CFC CFD CFE CFF CFG CFH CFI CFJ CFK CFL
2033
CGA CGB CGC CGD CGE CGF CGG CGH CGI CGJ CGK CGL
2034
CHA CHB CHC CHD CHE CHF CHG CHH CHI CHJ CHK CHL
2035
CIA CIB CIC CID CIE CIF CIG CIH CII CIJ CIK CIL