Serial Number and Model Codes ...........................................................3
Serial No. Decoding ............................................................................ 3
Serial Number Key - Month and Year of Manufacture ............... 4
Heater Serial No. PREFIX and SUFFIX Codes ........................ 5
Model No. Decoding ............................................................................ 5
Safety Pilot or Ignition System by Serial No. Code .........................6-10
Type of Gas Valve by Serial No. Code ...........................................11-27
Maxitrol Components for Electronic Modulation .........................28-31
WARNINGS
Selection of replacement control parts from this manual and all servicing to Reznor® products must
be done by a Reznor® Distributor or other qualied technician. Improper selection or servicing
could result in severe personal injury, death, or property damage. Thomas & Betts Corporation
will accept no responsibility or liability as a result of improper servicing of Reznor® products.
®
In the United States, all installations of Reznor
Standards of the NFPA (National Fire Protection Association), the National Fuel Gas Code, and all
local authorities. In Canada, all installations of Reznor
with the CAN/CSA Installation Code for Gas Burning Appliances and Equipment and all provincial
and local authorities.
gas-red products must be in accordance with the
®
gas-red products must be in accordance
SAFETY WARNINGS AND GUIDELINES FOR A QUALIFIED SERVICE TECHNICIAN
When selecting a replacement control, always have the complete Model No. and Serial No. of the heater.
(See pages 2-4 for instructions on decoding those numbers.) If the model and serial number are not
available, contact your Reznor® Representative. DO NOT SELECT REPLACEMENT CONTROLS WITH-
OUT COMPLETE INFORMATION.
Before servicing a heater, always turn off the gas and the power supply. Because of the electrical safety
features, never turn off the power supply without turning off the gas.
The electrical operating valve is the primary safety shutoff. The gas supply line must be free of dirt or
scale before connecting the valve.
Leak test all gas connections including pilot connections. Test using a commercial leak detecting or a
soap solution. WARNING: DO NOT TEST WITH OPEN FLAME. If a leak cannot be stopped by tightening,
replace the part.
In the event of pilot outage or improper ignition, wait at least ve minutes before attempting to relight
the heater.
After any service is completed, always test for proper operation. Re-connect the electrical supply and
turn on the gas. Verify against operating sequence information on the heater and in the heater installation manual. Safety check the installation and equipment. CHECK THAT ALL SAFETY DEVICES ARE
FUNCTIONING PROPERLY.
Form P-VALVES, P/N 263995, Page 1
FOR YOUR SAFETY
WARNINGS
The use and storage of gasoline or other ammable vapors and liquids in the
vicinity of this heating appliance is hazardous.
DANGER
The gas burner in all Reznor® gas-red equipment is designed and equipped to provide safe, complete
combustion. However if the installation does not permit the burner to receive the proper supply of
combustion air, complete combustion may not occur. The result is incomplete combustion which
produces carbon monoxide, a poisonous gas that can cause death. Safe operation of indirect-red
gas burning equipment requires a properly operating vent system which vents all the products to
the outside atmosphere. Failure to provide proper venting will result in a health hazard which could
cause serious personal injury or death.
Always comply with the combustion air requirements in the installation codes and instructions.
Combustion air at the burner should be regulated only by manufacturer-provided equipment.
NEVER RESTRICT OR OTHERWISE ALTER THE SUPPLY OF COMBUSTION AIR TO ANY HEATER.
Indoor units installed in a conned space must be supplied with air for combustion as required
by code and in the installation manual. ON INDIRECT-FIRED EQUIPMENT, MAINTAIN THE VENT
SYSTEM IN PROPERLY FUNCTIONING CONDITION. Direct-red and other unvented installations
should provide for air changes as required by applicable installation codes.
Instructions
for Selecting a
Replacement
Ignition Controller
and/or Valve
Serial No. Codes - Identify the code of the valve or ignition controller needing replacement.
Serial No. Codes are dened on pages 3-5. IMPORTANT NOTE: Serial No. and Model No.
Codes apply only to original equipment.
IGNITION CONTROLLER - To select the replacement ignition controller, locate the Serial No.
safety pilot code in the listing on pages 6-10. Select carefully, reading all applicable notes. If the
part is no longer available from Thomas & Betts, a functional replacement or alternative instruc-
tions are listed.
VALVE - To select a replacement valve, locate the Serial No. valve code in the listing on pages
12-19. The valve supplied on the heater is described. If the valve is no longer available from
Thomas & Betts, a functional replacement or alternative instructions may be listed. Select carefully, reading all applicable notes. All valve code notes are on pages 20-22. See pages 23-27 for
representative illustrations of valves.
VALVE WIRING TERMINAL IDENTIFICATION/WIRE COLOR
Valve ManufacturerCommonPilotMain or Low StageHigh Stage
TRTH-TRTH
Honeywell
White-Rodgers
RobertshawCPM
Original Wire Color
(exceptions possible)
PV-MVPVMV
CPVMVH1
CPM
C1-C2--W1W2
2413
White or
Brown
BlueBlackRed
IMPORTANT: The controls identied in this form are the controls factory-installed on units
manufactured beginning in 1963. Much of the earlier information provided is for reference only and
does not mean that replacing parts is recommended or that replacement parts are available. See
date code information on page 4.
IMPORTANT
ORDERING
REMINDERS
Form P-VALVES, P/N 263995, Page 2
1. Always include complete heater model and serial number so that any specication
change can be considered for parts shipment. It can save time and expense.
2. Specications are subject to change without notice.
3. We reserve the right to substitute functional replacements.
4. Order either by Kit or Component Part No.
Serial Number and Model Codes
Example of a Rating Plate that applies to most Reznor® Models showing Model and Serial Numbers
Serial No. Decoding
Sample of a Serial No. for Units manufactured from 1963 through
Mercer, PA 16137
DUCT FURNACE
CATEGORY I
FOR INDUSTRIAL/COMMERCIAL USE ONLY NRTL
DESIGN CERTIFIED UNDER ANSI Z83.8a-1998
DUCT FURNACE
MODEL HX100E-8-S OCT 2004
SERIAL# EBDJ66W8N12345
115 VOLTS 1PH 60HZ MAXIMUM TOTAL INPUT .5AMPS
TYPE OF GAS NATURAL
ORIFICE SIZE #41 DRILL HAS BEEN FACTORY ADJUSTED
FOR USE AT 0-2000 FEET (0-610 METERS) OF ALTITUDE
SEA LEVEL ALT ADJUSTED
NORMAL INPUT 100000 100000 BTU/HR
OUTPUT CAPACITY 80000 80000 BTU/HR
MIN. INPUT (2, M, MB, MV MODELS) 50000 50000 BTU/HR
NORMAL MANIFOLD PRESSURE 3.5 IN. W.C.
MIN. PERMISSIBLE GAS SUPPLY PRESSURE
FOR PURPOSE OF INPUT ADJUSTMENT 5.0 IN. W.C.
MAXIMUM THROUGHPUT 3704 CFM
MINIMUM THROUGHPUT 988 CFM
CLEARANCE TO COMBUSTIBLE CONSTRUCTION: TOP - 6";
FLUE CONNECTION - 6"; SERVICE SIDE - WIDTH OF UNIT;
OPPOSITE SIDE - 6"; BOTTOM - 3", MAY BE INSTALLED ON
NONCOMBUSTIBLE FLOORS.
INSTALL ON THE POSITIVE PRESSURE SIDE OF AIR
CIRCULATING BLOWER.
THIS UNIT MAY BE INSTALLED DOWNSTREAM FROM A
REFRIGERATION SYSTEM (USE DRAIN OPTION CS1).
FOR ALTERNATE INSTALLATION, USE THE LATEST OF THE
APPROPRIATE STANDARDS LISTED BELOW:
FOR AIRCRAFT HANGARS USE STANDARD ANSI/NFPA 409
FOR PARKING STRUCTURES USE STANDARD ANSI/NFPA 88A
FOR REPAIR GARAGES USE STANDARD ANSI/NFPA 88B
1974:
OA 1 2 N 693 Serial No.
1 2 3 4 5 Element
Sample of a Serial No. for Units manufactured beginning in 1975:
BDJ 66 W8 N 12345 Serial No.
1 2 3 4 5 Element
Element Key:
1 = Month and Year of manufacture; see page 4.
2 = Type of safety pilot or ignition system; see pages 6-10 for Code
explanation.
3 = Type of valve; see pages 12-22 for Code explanation and illustra-
tions on pages 23-27. (A dash indicates that the valve was eld
supplied.)
4 = Type of gas that the heater was originally manufactured to burn
D = Dual fuel, natural and propane; L = Propane; N = Natural
(Check for gas conversion label.)
5 = Consecutive number of heater manufactured. Used for identi-
cation purposes only.
In addition to the basic ve elements, the serial number may also include
prex and/or sufx codes. See page 5 for a listing and explanation of
these codes. All codes apply to original equipment only.
®
Example of a Reznor
MAPS® Unit Rating Plate
Showing Model and Serial Numbers
REZNOR
MERCER, PA, U.S.A. 16137
FOR INDUSTRIAL/COMMERCIAL USE ONLY
SUITABLE FOR OUTDOOR USE
MODEL [ A ][ B ]
SERIAL NO. [ ]
[D] VOLTS +/- 10% [D] PHASE [D] HZ
MINIMUM CIRCUIT AMPACITY (MCA)[ F ] AMPS
MAXIMUM FUSE SIZE/*CKT BREAKER[ G ] AMPS
SUPPLY AIR BLOWER MOTOR1[ E ] [ C ]
CONDENSER FAN MOTOR (S) [ T ][ U ] [ Z ]
COMPRESSOR A[ H ][ I ][ J ]
COMPRESSOR B[ K ][ L ][ M ]
COMPRESSOR C[ N ][ O ][ P ]
COMPRESSOR D[ Q ][ R ][ S ]
COMPRESSOR E[ GG ][ HH ][ II ]
REFRIGERANT - R-410a CHARGE - LBS
TEST PRESSURES HIGH 600PSIG LOW45PSIG
EQUIPPED FOR OPERATION AT AN AIR FLOW OF [ CC ] SCFM
AGAINST A STATIC PRESSURE OF [ DD ] INCHES WATER COLUMN
DRIVE RPM [ EE ]
WIRE DIAGRAM [ FF ]
REFER TO RATING PLATE IN THE FURNACE SECTION (WHEN USED)
FOR ADDITIONAL INFORMATION.
*HACR TYPE REQUIRED PER NEC
CIRCUITS ABCDE
®
MADE IN USA
ELECTRICAL
QTYFLA (EA)HP (EA)
QTYRLA (EA) LRA (EA)
[ V ] [ W ] [ X ] [ Y ] [ JJ ]
Rating Plate Key for MAPS® Model Series RCA,
RDA, RCB, RDB, RCC, and RDC: (NOTE: To
decode a MAPS Serial No., see page 4.)
A = Model
B = Manufacturing Date (Month/Year)
C = Blower Motor HP
D = Volts/Phase/Hertz
E = Full Load Amps (FLA) of Blower Motor
F = Minimum Circuit Ampacity (MCA)
G = Maximum Fuse Size (MOP)
H = Quantity - Compressor A
I = Rated Load Amps of Compressor A
J = Locked Rotor Amps of Compressor A
K = Quantity - Compressor B
L = Rated Load Amps of Compressor B
M = Locked Rotor Amps of Compressor B
N = Quantity - Compressor C
O = Rated Load Amps of Compressor C
P = Locked Rotor Amps of Compressor C
Q = Quantity - Compressor D
R = Rated Load Amps of Compressor D
S = Locked Rotor Amps of Compressor D
T = Quantity Condenser Fan Motors
U = Rated Load Amps of Condenser(s)
V = Refrigerant Charge (lbs) - Circuit A
W = Refrigerant Charge (lbs) - Circuit B
X = Refrigerant Charge (lbs) - Circuit C
Y = Refrigerant Charge (lbs) - Circuit D
Z = Condenser Fan Motor HP
Form P-VALVES, P/N 263995, Page 3
CC = SCFM Airow
DD = External
Static Pressure
(“ w.c.)
EE = Drive (Option
AM)
FF = Wiring Dia-
gram No.
GG = Quantity -
Compressor E
HH = Rated Load
Amps of Compressor E
II = Locked Rotor
Amps of Compressor E
JJ = Refrigerant
Charge (lbs) Circuit E
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
Elements 6-8 apply to a MAPS
®
models.
®
with a gas heat section .
Key: 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.)
In addition to the ve elements found in every serial number, the heater serial number may be
coded with prexes and sufxes that further identify optional equipment or capabilities applicable
to that particular unit. All prex and sufx codes are listed below. See pages 3-4 for explanation
of the basic elements of a serial number.
Serial Number PREFIX Codes and Denitions:
CodeExplanation
Serial Number SUFFIX Codes and Denitions:
CodeExplanation
B= Baso pilot (indicates Baso pilot in place of General Controls pilot)
CA= Constant air volume
EE= Energy efcient motor
FD= Fan duct furnace (spotter)
HV= High throw fan assembly
MP1= Modulating gas control with 20%-100% ring rate (AG39)
MP2= Modulating gas control with 20%-100% ring rate with signal conditioner for DDC (AG40)
MP3= Modulating gas control 20-100% ring rate on 1st furnace; 2-stage on 2nd (AG41)
MP4= Modulating gas control 20-100% on 1st furnace; 2-stage on 2nd - w/signal conditioner for DDC (AG42)
MP5= 1-stage on 1st furnace; 2-stage on 2nd furnace (AG43)
MP6= 1-stage on 1st furnace; 2-stage on 2nd furnace - with signal conditioner for DDC (AG44)
MV1= Maxitrol 20AH Electronic Modulation (50-100%) System (AG7 for single furnace)
MV2= Maxitrol 30AH Electronic Modulation (50-100%) System (AG7 for multiple furnaces)
MV3= Maxitrol 21H Electronic Modulation (50-100%) System (AG8 for single furnace)
MV4= Maxitrol 21HR Electronic Modulation (50-100%) System (AG9 for single furnace)
MV5= Maxitrol 31H Electronic Modulation (50-100%) System (AG8 for multiple furnaces)
MV6= Maxitrol 31HR Electronic Modulation (50-100%) System (AG9 for multiple furnaces)
MV7= Maxitrol 14 Electronic Modulation System (AG30 and AG31)
MV8= Maxitrol 14A and 14B Electronic Modulation Systems (AG32 and AG35)
MV9= Maxitrol 44 Electronic Modulation System (AG33)
MVA = Maxitrol Electronic Modulation (50-100%) System w/Signal Conditioner for DDC on Indirect-Fired Equipment (AG21)
MVB = Maxitrol 94 Electronic Modulation System for Paint Booth for Direct-Fired Equipment (AG36)
MVC = Maxitrol Electronic Modulation System with Signal Conditioner for DDC on Direct-Fired Equipment (AG37)
MVD = Maxitrol DFM14E Digital Control System (AG47) (Direct-red RDF or DV)
MVE= Maxitrol DFM 44E Digital Control System (AG48) (Direct-red RDF or DV)
MVF= Maxitrol DFM 44E Digital Control System with Remote Sensor (AG51) (RDF or DV)
RA= Recirculation air
TE= Totally enclosed motor
TS= Two speed motor
VA= Variable air volume
X= Manufactured in Mexico
For a list of components of
Maxitrol electronic modulation
systems used on Model Series X,
SC, RX, RPV, RG, RP, and EEDU
indirect-red equipment, see pag-
es 25-27. For list of components
of Maxitrol electronic modulation
systems used on Model Series
ADF, DV, and RDFdirect-red
equipment, see pages 27-28.
(Reference NOTE: For PREEVA
indirect-red models, see Form
P-PREEVA for modulation control
components.)
Model No. Decoding
HX 100 8 S
Model Size Series Sufx
The Model No. may or may
not include sufx code(s) that
further identify the heater. See
the listing in the table for their
identication.
*Effective 12/96, Codes J, JR,
and Y are no longer used.
Heater Model No. SUFFIX Codes
SUFFIX
Code
-2= Two stage heating/MUA control
-2L= Two stage control (heating/MUA) with 33% low re and constant thermal efciency (AG60, AG61, AG62)
-C= Unit with a C.G.A. rating plate
-CV= Common vent
-D2= Digital control, space temperature, 2-stage heating/3-stage cooling (DG1)
-D2J= Digital control, electronic modulation heating/3-stage cooling (DG2)
-DM= Digital control, discharge temperature (makeup air), 2-stage heating/3-stage cooling (DG5)
-DMJ = Digital control, discharge temperature (makeup air), electronic modulation heating/3-stage cooling (DG6)
-E=
-H= Oriced for high altitude
-IL= Manifold arrangement and remote console for Illinois School Code
* -J = Makeup air (code appears on blower cabinet plate only)
* -JR= Makeup air with evaporative cooling (code appears on blower cabinet plate only)
-LN= Low noise
-M= Mechanical modulation
-MB= Mechanical modulation with full re bypass
-MP= Electronic modulation (20-100% ring rate)
-MV= Electronic modulation (50-100% ring rate)
-R= Evaporative cooling
-S= Stainless steel heat exchanger
-W= Wide heater cabinet on Models RX75 and 100 Series 5 and 6* -Y= High re lightoff
-Z= Equipped with “Z” bafe for 4-foot stack extension
Explanation
Intermittent spark pilot (Applies to Models F, B, X, XE, XL, XLB that have a standard match lit pilot; models
that have a standard spark pilot do not have this code.)
Form P-VALVES, P/N 263995, Page 5
Safety Pilot or Ignition System Originally Supplied, Identied by Serial No. Code --
See Serial No. Decoding on pages 3-4. (N/A = Not available; see other notes below.)
Serial No.
Code
1J/C 8856-5
2J/C 861-4
3G/C A100G741 (3-wire)
4J/C 856-A5
5J/C 619 Automatic relight system - 115 volt transformer
6J/C 619 Automatic relight system - 220 volt transformer
7J/C 619 Automatic relight system - 24 volt transformer
8J/C A100G544 (2-wire)
9G/C Safety Pilot is part of B57, B59 valve
10T32T Automatic relight
01J/C Remote push button relighting system non-100% shutoff (includes 861-4, 115 volt push button station)
02J/C Remote push button relighting system non-100% shutoff (includes 861-4, 230 volt push button station)
03J/C
04J/C
05J/C Remote push button relighting system non-100% shutoff (includes 861-4, 24 volt push button station)
06J/C
07T32T Recycling safety pilot switch
08J/C Safety pilot is part of Baso 92D2204A valve
09J/C Safety pilot is part of Baso CS212A-2
11J/C Safety pilot is part of Baso CS222A-1
12M/H Safety pilot is part of M/H Y343B
13J/C G13BG01 spark ignition system
14M/H RA890E protector relay
15J/C Part of G-28 spark ignition, non-100% shutoff
16J/C Part of 67800-2T's master control
17J/C G18MG02 spark ignition system - For replacement, use ignition conversion package
18M/H C591A002 pilotstat
19J/C G19MG02 automatic relight, 100% shutoff - For replacement, use ignition conversion package
20W/R 30A48 with 50" lead
21W/R 30A46 with 50" lead
22J/C G29BG01 automatic relight, non-100% - For replacement, use ignition conversion package
23J/C G29BG02 automatic relight, 100% shutoff - For replacement, use ignition conversion package
26FSpark ignition system 05-120103-000 with combination valve, 100% shutoff - See Code 32
27J/C 861-4
28G/C A100G741
29J/C G19 Automatic relight system - For replacement, use ignition conversion package
40J/CG60AAG-3 ignition controller (used with 100% recycling pilot)
41J/CG60AAG-3 ignition controller (used with non-100% relight)
42J/CG60AAG-3 ignition controller (used with 100% shutoff and Y79 lockout device)
43FNo. 05-142202-005 spark ignition (Model DFT 250, 260, 295, 325)
44J/CG60QBG-7 ignition controller with valve and regulator all in one body -
45J/C G60CPG-1 ignition controller, propane gas with separate lockout
46J/C G60QBG-7 ignition controller, natural gas with lockout, Y79 timing device
47J/C G60PFH ignition controller with lockout all in one body, natural or propane gas
1
F = Fenwall; G/C = General Controls; M/H = Minneapolis Honeywell; J/C = Johnson Controls; T = Thermodisc; W/R = White-Rodgers
2
Functional replacement may require eld-furnished wiring.
3
This item is no longer available. Suggest you contact the control manufacturer for replacement or functional replacement.
Form P-VALVES, P/N 263995, Page 6
Mfr 1DescriptionReplacement P/N
3
N/A
3
N/A
3
N/A
3
N/A
3
N/A
3
N/A
3
N/A
3
N/A
3
N/A
N/A
3
N/A
3
Remote push button relighting system 100% shutoff (includes 861-4, 115 volt pilot valve, 115 volt push
button station)
Remote push button relighting system 100% shutoff (includes 861-4, 230 volt pilot valve, 230 volt push
button station)
Remote push button relighting system 100% shutoff (includes 861-4, 24 volt pilot valve, 24 volt push
button station)
M/HR4795A-1016 spark ignition, 100% shutoff
G/Cwith K3R11A2N4 pilot line solenoid valve (Model DFT)
M/HR4795A-1016 spark ignition, 100% shutoff
G/Cwith K3R11A2N4 pilot line solenoid valve (Model DFT)
Safety Pilot or Ignition System Originally Supplied, Identied by Serial No. Code (cont'd) -See Serial No. Decoding on pages 3-4. (N/A = Not available; see other notes below.)
Serial No.
Code
48J/C G60QRH-1 ignition controller, propane gas valve with regulator and lockout all in one body N/A
49M/H L626B3N/A
50J/C G65BCG-1 ignition controller and natural gas valve with regulator all in one body, 1/2"67983-N/A
51J/C G65DCM-1 ignition controller & propane gas valve w/regulator & lockout, 1 body, 1/2"68055-N/A
52J/C G65BBG-4 ignition controller and natural gas valve with regulator all in one body, 1/2"79887-N/A
53J/C G65BKG-2 ignition controller and natural gas valve with regulator all in one body, 3/4"79888-N/A
54J/C G65BCM-1 ignition controller & natural gas valve w/regulator & lockout, 1 body, 1/2" 79808-N/A
55J/C G65BBM-3 ignition controller & natural gas valve w/regulator & lockout, 1 body, 1/2" 84570-N/A
56J/C G65BKM-2 ignition controller & natural gas valve w/regulator & lockout, 1 body, 3/4" 79900-N/A
57J/C
58M/H
59M/H
60M/H
61M/H
Code MfrDescriptionP/NReplaced by
62J/CIgnition controller
Mfr 1DescriptionP/NReplacement P/N
G66BMG-1 ignition controller and natural gas valve with regulator and lockout all in one
body, 1/2" - Special for export
Solid state ame safeguard, RA890F (ame rectication)86972
Solid state spark generator, Q624A1006 or Q624A101486974
Solid state ame safeguard, RA890G (ultraviolet) 89409
Solid state spark generator, Q624A1006 or Q624A101486974
Solid state ame safeguard, R7795B (ame rectication)89407
Solid state spark generator, Q624A1006 or Q624A101486974
Solid state ame safeguard, R7795A (ultraviolet)89436
Solid state spark generator, Q624A1006 or Q624A101486974
F = Fenwall; G/C = General Controls; J/C = Johnson Controls;
M/H = Honeywell; T = Thermodisc; W/R = White-Rodgers
2
Functional replacement may require eld-furnished wiring.
3
This item is no longer available. Suggest you contact the control manufacturer for replacement or functional replacement.
Form P-VALVES, P/N 263995, Page 7
Safety Pilot or Ignition System Originally Supplied, Identied by Serial No. Code (cont'd) -- See
Serial No. Decoding on pages 3-4. (N/A = Not available; see other notes below.)
Code MfrDescriptionP/NReplaced by
73RAM Direct Spark
integrated
164326Kit P/N
258251
Control Board
3MC4-04
74Channel Products
173036
1691-06, Rotary Piezo
Electric Ignitor (Used
on Model UF for
Ambirad.)
75J/CDirect Spark
Ignition
174260Kit P/N
257531
Module,
#G861KCC5401D
76RAM Direct Spark
Integrated
178453Kit P/N
258251
Control Module
3MC4-06
77J/CDirect Spark
Ignition
193804Kit P/N
258251
Control Board,
G822KCC5401 D
Code Mfr Description P/NReplaced by
81Synetek IH1104C
204166
Dual Flame
Ignition Module
82Synetek
204376
IH-11040B-C
Single Flame Rod
Ignition Module
83UTC Direct Spark
214979
Ignition Module with Cool-
ing Relay,
#1097-211
(Same as CODE 78 with
DIP switch adjusted for
a 45 second blower off
delay)
84J/CIntermittent
234012-N/AKit P/N 257473
Pilot Ignition
Control with
lockout and
vent damper
connections,
G770NHC-1
85UTC #1097-211,
(2) 195573
Direct Spark Ignition with Cooling
Relay
78UTCDirect Spark
195573
Ignition with
Cooling Relay,
UTC #1097-
211
79UTCDirect Spark
Ignition, UTC
#1097-210
80UTCDirect Spark
204955
Ignition Board,
UTC #1016-
426
Form P-VALVES, P/N 263995, Page 8
195265
86Varidigm VB4-
H500 Combustion
Board (RDCB/
RDDB H500)
223554-N/AContact your
Reznor
®
Representative
or the factory
for replacement
information.
87Varidigm VB4-
H600 Combustion
Board (RDCB/
RDDB H600)
223555-N/AContact your
Reznor
®
Representative
or the factory
for replacement
information.
1
J/C = Johnson Controls; M/H = Honeywell; RAM = RAM
Electronics
2
Functional replacement may require eld-furnished wiring.
Safety Pilot or Ignition System Originally Supplied, Identied by Serial No. Code (cont'd) -- See
Serial No. Decoding on pages 3-4.
Code DescriptionP/N(s)Replaced by
88Varidigm
VB4-H700
Combustion
Board (RDCB/
RDDB H700)
223556-N/AContact your
Reznor
®
Representative
or the factory
for replacement
information.
89Varidigm
VB4-H800
Combustion
Board (RDCB/
RDDB H800)
222678 - N/AContact your
Reznor
®
Representative
or the factory
for replacement
information.
90UTC #1097-
211 Direct
Spark Ignition
and Varidigm
VB4-H500
Combustion
Board (RDCB/
RDDB H10C)
91UTC #1097-
211 Direct
Spark Ignition
and Varidigm
VB4-H600
Combustion
Board (RDCB/
RDDB H12C)
92UTC #1097-
211 Direct
Spark Ignition
and Varidigm
VB4-H700
Combustion
Board (RDCB/
RDDB H14C)
195573
223554 - N/A
195573
223555 - N/A
195573
223556 - N/A
P/N 223554
is no longer
available. Contact
your Reznor
Representative
or the factory
for replacement
information.
P/N 223555
is no longer
available. Contact
your Reznor
Representative
or the factory
for replacement
information.
P/N 223556
is no longer
available. Contact
your Reznor
Representative
or the factory
for replacement
information.
®
®
®
Code Description P/NReplacement
94UTC #1003-
257009
638-A
Recyclying
Ignition
Controller
95UTC #1003-
257010
514 Ignition
Controller
with Lockout
96Varidigm
VB1200-
5-RZNR-C
257246NOTE: If CODE 96
board is replaced,
the ID plug must
either be replaced
also or removed and
installed on the new
ID Plug
board. See page 10
for a list of ID plugs.
97Varidigm
VB12005-RZNR-AB
258319NOTE: If CODE 97
board is replaced,
the ID plug must
either be replaced
also or removed and
installed on the new
ID Plug
board. See page 10
for a list of ID plugs.
98Varidigm
VB1200-2-
RZNR-PVA
260252NOTE: If CODE 98
board is replaced,
the ID plug must
either be replaced
also or removed and
installed on the new
ID Plug
board. See page 10
for a list of ID plugs.
99Varidigm
VB1200-5-
RZNR-SHH
260917NOTE: If CODE 99
board is replaced,
the ID plug must
either be replaced
also or removed and
installed on the new
ID Plug
board. See page 10
for a list of ID plugs.
93UTC #1097-211
Direct Spark
Ignition and
Varidigm VB4
Combustion
Board (RDCB/
RDDB H16C)
195573
222678 - N/A
P/N 222678
is no longer
available. Contact
your Reznor
®
Representative
or the factory
for replacement
information.