Product Description
White-Rodgers 50M56X-843 Universal Integrated Furnace Control
The White-Rodgers 50M56X-843 is a universal integrated furnace control designed for compatible single-stage hot surface ignition furnace applications. Built to support PSC and ECMx blower motor systems, this control helps simplify replacement work by covering a broad range of OEM and legacy furnace boards while offering modern setup and diagnostics for field service.
Single-Stage HSI Control PSC & ECMx Blower Support 550+ Cross References White-Rodgers Connect App 120V Nitride Ignitor Included 7-Segment Diagnostics
Important: This is a universal replacement integrated furnace control for compatible single-stage hot surface ignition systems. Always verify wiring layout, blower type, ignitor requirements, and application compatibility before ordering or installation.
Why the 50M56X-843 Is a Popular Universal Replacement
Broad replacement coverage This universal furnace control is designed to replace a large number of OEM and aftermarket boards across many major HVAC brands, helping reduce truck stock complexity and making it easier to restore heat without waiting for a model-specific board.
Modern setup and diagnostics The White-Rodgers Connect app and onboard 7-segment display give technicians better configuration and troubleshooting support than many older furnace controls.
Built for real service work With support for PSC and ECMx blower motor systems and an included 120V nitride ignitor, this kit is designed to streamline many common single-stage furnace board replacements.
What This Furnace Control Is Designed To Do
The 50M56X-843 is a universal integrated furnace control for compatible single-stage hot surface ignition gas furnace applications. It manages ignition sequence timing, blower operation, safety logic, and heating-cycle behavior in supported systems.
Controls the ignition sequence Manages hot surface ignitor timing, gas valve activation, and flame proving functions in compatible furnace systems.
Supports blower operation Works with compatible PSC and ECMx blower motor applications used in single-stage furnace systems.
Helps simplify replacements Designed as a universal solution when older integrated furnace boards are discontinued, delayed, or impractical to source quickly.
Improves field troubleshooting Diagnostics and app-assisted setup can make installation and configuration easier compared with many legacy controls.
Common Furnace Problems That May Lead to a Control Board Replacement
Furnace will not complete ignition sequence In compatible systems, a failed control board can interrupt the ignition sequence and prevent normal burner startup.
Hot surface ignitor glows but no burner ignition Control timing or sequence failures can affect gas valve activation and flame-proving behavior.
Furnace starts and then shuts down Safety lockouts, board faults, or ignition sequence failures can cause nuisance shutdowns during a heat call.
Blower timing problems If the blower is not operating correctly during heating cycles, the integrated furnace control may be part of the diagnostic process.
Flashing fault codes on the board Error indication from the existing furnace board may point to a failing or malfunctioning control.
Older board no longer available Universal replacements like the 50M56X-843 are often chosen when the original OEM board is obsolete or hard to find.
Contractor and Technician Benefits
Reduce truck stock Universal controls help cover more service calls with fewer individual board SKUs on hand.
Configure in the field App-assisted setup and onboard diagnostics help technicians work through replacement and setup tasks more efficiently.
Support more blower platforms Compatibility with PSC and ECMx blower motor systems makes this board useful across a wider range of single-stage furnace repairs.
Included ignitor coverage The included 120V nitride ignitor can simplify repairs when both the control and ignitor need replacement.
- Useful for HVAC technicians servicing compatible single-stage gas furnaces
- Helpful when replacing older White-Rodgers, Carrier, Goodman, Lennox, Rheem, Trane, York, and other legacy controls
- Well suited for service companies that want broader board coverage from fewer stocked parts
- Practical for residential and light commercial furnace applications that match supported specifications
Compatibility and Application Coverage
The 50M56X-843 is intended for compatible single-stage hot surface ignition furnace applications. It is designed to support both PSC and ECMx blower motor systems and is commonly used as a universal replacement for many older integrated furnace controls.
Application Type Single-stage hot surface ignition furnace control
Blower Support PSC and ECMx blower motor compatibility
Ignitor Included 120V nitride ignitor included in the kit
Setup and Diagnostics White-Rodgers Connect app and onboard 7-segment display
Replacement Scope Designed to replace 550+ cross-reference part numbers
Service Use Universal replacement board for compatible furnace repairs
Before ordering: confirm that the original control is from a compatible single-stage HSI furnace application, and verify blower type, ignitor requirements, connector style, timing/setup needs, and furnace wiring layout.
Official Cross-Reference Search
Use the search box below to look up OEM and aftermarket replacement numbers from the official 50M56X-843 cross-reference list.
Search by full part number, partial number, or brand family.
Showing all cross-reference entries.
D34139P03 American Standard
1010806 Carrier
1184594 Carrier
1184783 Carrier
1186024 Carrier
1186115 Carrier
1380-686 Carrier
1380-699 Carrier
1380686 Carrier
1380698 Carrier
1380699 Carrier
CEPL130437-01 Carrier
CEPL130437-01-I Carrier
CEPL131004 Carrier
CEPL131004-01 Carrier
CEPL131004-20 Carrier
CEPL131004-20-ICP Carrier
CEPL131012-01 Carrier
CEPL131012-01-I Carrier
CEPL131012-02 Carrier
CEPL131012-02-I Carrier
CEPL131012-20-I Carrier
1183386 Carrier
1184412 Carrier
CEPL130934-01 Carrier
CEPL130934-02 Carrier
CEPL131011-01 Carrier
CEPL131011-02 Carrier
HK42FZ013 Carrier
HK42FZ029 Carrier
HK42FZ034 Carrier
HK42FZ036 Carrier
HK42FZ045 Carrier
HK42FZ061 Carrier
HK42FZ062 Carrier
Additional Carrier / ECMx Numbers Carrier
HK42FZ027 Carrier
HK42FZ033 Carrier
HK42FZ039 Carrier
HK42FZ047 Carrier
117284 Climatic
30757 Fedders
194300330001 Fedders
0130F00005 Goodman
0130F00005S Goodman
1012-83-9336AHSC1 Goodman
1012-83-9337A Goodman
102077-02 Goodman
102077-03 Goodman
102077-04 Goodman
102077-06 Goodman
102077-09 Goodman
102077-10 Goodman
102077-14 Goodman
102077-17 Goodman
102077-19 Goodman
10207701 Goodman
10207702 Goodman
10207703 Goodman
10207704 Goodman
10207706 Goodman
10207710 Goodman
10207714 Goodman
10207715 Goodman
10207717 Goodman
10207718 Goodman
10207719 Goodman
10207720 Goodman
10207720S Goodman
20394001 Goodman
50T35 743 Goodman
B18099-13 Goodman
B1809906 Goodman
B1809906S Goodman
B1809908 Goodman
B1809908S Goodman
B1809913S Goodman
B1809926 Goodman
B1809926S Goodman
PCB00117 Goodman
PCBBF109 Goodman
PCBBF117 Goodman
PCBBF117S Goodman
PCBBF118 Goodman
PCBBF118S Goodman
PCBBF134 Goodman
PCBBF135 Goodman
PCBBF135S Goodman
PCBBF136 Goodman
PCBBF138 Goodman
PCBBF138S Goodman
PCBBF140 Goodman
PCBBF140S Goodman
PCBBF159 Goodman
PCBBF159S Goodman
RF000129 Goodman
1809913 Goodman / Amana
B1809913 Goodman / Amana
3XA75 Grainger
3XA76 Grainger
4DG53 Grainger
4DG54 Grainger
4DG55 Grainger
4DG56 Grainger
115Z36 Grainger
75671 GW Berkheimer
75672 GW Berkheimer
78712 HD Supply
83388 HD Supply
S9200U1000 Honeywell
084141 Hughes Supply
ICM280 ICM
ICM2805A ICM
ICM2808 ICM
ICM2812 ICM
ICM284 ICM
ICM286 ICM
ICM288 ICM
L38-798 Johnstone Supply
L38-799 Johnstone Supply
L38-800 Johnstone Supply
L38-801 Johnstone Supply
L41-722 Johnstone Supply
L43-226 Johnstone Supply
L43-837 Johnstone Supply
L45-909 Johnstone Supply
L46-388 Johnstone Supply
L46-457 Johnstone Supply
L46-655 Johnstone Supply
L46-846 Johnstone Supply
L47-030 Johnstone Supply
L47-385 Johnstone Supply
1214201 Lennox
100925-01 Lennox
100925-02 Lennox
100925-03 Lennox
100973-01 Lennox
100973-02 Lennox
1012-83-9673A Lennox
1012-967 Lennox
1012-968 Lennox
1012-969 Lennox
1012-969A Lennox
1012-977A Lennox
103085-01 Lennox
103085-02 Lennox
103085-03 Lennox
103098-01 Lennox
10M93 Lennox
10M9301 Lennox
1195-100 Lennox
1195-83-100A Lennox
12L42 Lennox
12L4201 Lennox
12L69 Lennox
12L6901 Lennox
17W70 Lennox
17W7001 Lennox
17W92 Lennox
17W9201 Lennox
23W51 Lennox
23W5101 Lennox
30W25 Lennox
30W2501 Lennox
32M88 Lennox
32M8801 Lennox
50M56-801 Lennox
50M56U-801 Lennox
56L84 Lennox
56L8401 Lennox
56L85 Lennox
56L8501 Lennox
56W19 Lennox
56W1901 Lennox
69M08 Lennox
69M0801 Lennox
69M15 Lennox
69M1501 Lennox
74W03 Lennox
74W0301 Lennox
75M17 Lennox
75M1701 Lennox
78M17 Lennox
78M1701 Lennox
78M47 Lennox
78M4701 Lennox
80M27 Lennox
80M2701 Lennox
81W03 Lennox
81W0301 Lennox
81W11 Lennox
81W1101 Lennox
94W83 Lennox
94W8301 Lennox
R47582-001 Lennox
X4459 Lennox
X445901 Lennox
Additional Lennox / ECMx Numbers Lennox
103217-01 Lennox
103217-02 Lennox
103217-03 Lennox
16C81 Lennox
14028 Metropac
14029 Metropac
14030 Metropac
14031 Metropac
68GF0015 Mortex
624557-0 Nordyne
624591A Nordyne
CAR903106 Nordyne
624557 Nortek
624564 Nortek
624591 Nortek
624628 Nortek
624631 Nortek
624690 Nortek
624742 Nortek
624844 Nortek
902378 Nortek
902696 Nortek
903106 Nortek
904840 Nortek
920915 Nortek
6245570 Nortek
6245640 Nortek
6246310 Nortek
1012-83-9559B Nortek
1012955A Nortek
1012-955A Nortek
624591-A Nortek
624591-B Nortek
624591-C Nortek
624591-D Nortek
624628-0 Nortek
624631(0) Nortek
624631(A) Nortek
624631(B) Nortek
624631-0 Nortek
624631A Nortek
624631-A Nortek
624631B Nortek
624631-B Nortek
710128A Nortek
62-22694-01 Rheem
62-22694-02 Rheem
62-22694-03 Rheem
62-22694-11 Rheem
62-22694-12 Rheem
62-22694-82 Rheem
62-22694-83 Rheem
62-22694-91 Rheem
62-22737-06 Rheem
62-22737-07 Rheem
62-22737-08 Rheem
62-22737-10 Rheem
62-22737-87 Rheem
62-22737-88 Rheem
62-24044-01 Rheem
62-24044-81 Rheem
62-24044-91 Rheem
62-24045-01 Rheem
62-24046-01 Rheem
62-24084-01 Rheem
62-24084-02 Rheem
62-24084-71 Rheem
62-24084-82 Rheem
62-24084-91 Rheem
62-24084-92 Rheem
62-24268-01 Rheem
62-24268-02 Rheem
62-24268-03 Rheem
695-200 Rheem
41F-5 Texas Instruments
50T35730 Texas Instruments
50T35743 Texas Instruments
61F3 Texas Instruments
6DT-1 Texas Instruments
6DT-2 Texas Instruments
350486 Thermo Products
350836 Thermo Products
CNT01309 Trane
CNT02181 Trane
CNT02182 Trane
CNT02183 Trane
CNT02789 Trane
CNT02891 Trane
CNT03076 Trane
CNT03606 Trane
CNT03740 Trane
CNT03742 Trane
CNT03797 Trane
CNT03798 Trane
CNT03799 Trane
CNT04664 Trane
CNT05164 Trane
CNT05165 Trane
CNT07541 Trane
CNT07679 Trane
CNT07941 Trane
CNT07943 Trane
CNT1309 Trane
CNT1616 Trane
CNT1684 Trane
CNT1686 Trane
CNT1687 Trane
CNT1848 Trane
CNT1849 Trane
CNT2181 Trane
CNT2182 Trane
CNT2183 Trane
CNT2789 Trane
CNT2891 Trane
CNT3076 Trane
CNT3606 Trane
CNT3742 Trane
CNT3798 Trane
CNT3799 Trane
CNT4664 Trane
CNT5164 Trane
CNT5165 Trane
D330927P01 Trane
D330930P01 Trane
D330934P01 Trane
D340035P01 Trane
D340354P01 Trane
D340774P01 Trane
D340790P01 Trane
D341122P01 Trane
D341213P01 Trane
D341235P01 Trane
D341235P02 Trane
D341235P03 Trane
D341396P01 Trane
D341396P03 Trane
D341396P04 Trane
D341396P05 Trane
D345780P01 Trane
D345780P02 Trane
D345780P03 Trane
X13120666010 Trane
X13130436-01 Trane
X13130436010 Trane
X13130436-02 Trane
X13130436-04 Trane
X13130436040 Trane
X13640678040 Trane
X13650597010 Trane
X13650818030 Trane
Additional Trane / ECMx Numbers Trane
CNT04711 Trane
CNT06664 Trane
CNT07639 Trane
CNT07737 Trane
CNT07738 Trane
CNT07889 Trane
CNT07939 Trane
CNT07940 Trane
CNT07983 Trane
D158832P01 Trane
D342359P01 Trane
D342359P02 Trane
D342359P03 Trane
D342359P04 Trane
D346300P01 Trane
D346306P01 Trane
D346307P01 Trane
1012-83-9336A United Technologies
1012-925A United Technologies
1012-925B United Technologies
1012-925C United Technologies
1012933D / 1012-933D United Technologies
8068142 Whirlpool
8068561 Whirlpool
8068563 Whirlpool
99958174 Whirlpool
99958175 Whirlpool
50A50-110 White-Rodgers
50A50-111 White-Rodgers
50A50-112 White-Rodgers
50A50-113 White-Rodgers
50A50-130 White-Rodgers
50A50-131 White-Rodgers
50A50-142 White-Rodgers
50A50-143 White-Rodgers
50A50-205 White-Rodgers
50A50-206 White-Rodgers
50A50-207 White-Rodgers
50A50-208 White-Rodgers
50A50-209 White-Rodgers
50A50-210 White-Rodgers
50A50-215 White-Rodgers
50A50-216 White-Rodgers
50A50-229 White-Rodgers
50A50-230 White-Rodgers
50A50-240 White-Rodgers
50A50-241 White-Rodgers
50A50-245 White-Rodgers
50A50-285 White-Rodgers
50A50-286 White-Rodgers
50A50-288 White-Rodgers
50A50-295 White-Rodgers
50A50-296 White-Rodgers
50A50-298 White-Rodgers
50A50-405 White-Rodgers
50A50-406 White-Rodgers
50A50-407 White-Rodgers
50A50-408 White-Rodgers
50A50-438 White-Rodgers
50A50-471 White-Rodgers
50A50-472 White-Rodgers
50A50-473 White-Rodgers
50A50-474 White-Rodgers
50A50-475 White-Rodgers
50A50-571 White-Rodgers
50A55-120 White-Rodgers
50A55-143 White-Rodgers
50A55-241 White-Rodgers
50A55-245 White-Rodgers
50A55-250 White-Rodgers
50A55-285 White-Rodgers
50A55-286 White-Rodgers
50A55-288 White-Rodgers
50A55-288-05 White-Rodgers
50A55-289 White-Rodgers
50A55-3797 White-Rodgers
50A55-438 White-Rodgers
50A55-474 White-Rodgers
50A55-476 White-Rodgers
50A55-480 White-Rodgers
50A55-486 White-Rodgers
50A55-571 White-Rodgers
50A55-743 White-Rodgers
50A55-843 White-Rodgers
50A56-242 White-Rodgers
50A56-243 White-Rodgers
50A56-956 White-Rodgers
50A65 843S1 White-Rodgers
50A65-120 White-Rodgers
50A65-121 White-Rodgers
50A65-143 White-Rodgers
50A65-288 White-Rodgers
50A65-289 White-Rodgers
50A65-474 White-Rodgers
50A65-475 White-Rodgers
50A65-476 White-Rodgers
50A65-5165 White-Rodgers
50A65-843 White-Rodgers
50A66-122 White-Rodgers
50A66-123 White-Rodgers
50A66-743 White-Rodgers
50A66-843B1 White-Rodgers
50M56-201 White-Rodgers
50M56-281 White-Rodgers
50M56-289 White-Rodgers
50M56-290 White-Rodgers
50M56-291 White-Rodgers
50M56-486 White-Rodgers
50M56-495 White-Rodgers
50M56-707 White-Rodgers
50M56-843 White-Rodgers
50M56U-751 White-Rodgers
50M56U-843 White-Rodgers
50M56X-843 White-Rodgers
50T35-730 White-Rodgers
Additional White-Rodgers / ECMx Numbers White-Rodgers
50A67-476 White-Rodgers
50A67-507 White-Rodgers
50X57-289-01 White-Rodgers
50X57-289-01B1 White-Rodgers
50X57-843 White-Rodgers
50H47-475 White-Rodgers
50H47-476 White-Rodgers
50H47-495 White-Rodgers
50H47-496 White-Rodgers
50H47-497 White-Rodgers
265901 York
265902 York
539617 York
879598 York
3101250000 York
03101250000 York
3101973000 York
5253733900 York
31011140002 York
33101972200 York
33102956000 York
33109167000 York
43101972100 York
52537074000 York
52537077000 York
031-00662 York
031-00662000 York
031-00662-000 York
031-00662-700 York
031-01140-000 York
031-01140-001 York
031-01140-002 York
031-01140-701 York
031-01140-702 York
031-01234-000 York
031-01234-700 York
031-01235-000 York
031-01235-700 York
031-01250-000 York
031-01250-700 York
031-01266-000 York
031-01266-700 York
031-01267-00 York
031-01267-000 York
031-01267-001 York
031-01267-001A York
031-01284-000 York
031-01933-000 York
031-01972-000 York
031-01973-000 York
031-02166-000 York
Additional York / Source 1 Numbers York / Source 1
542760 York
S1-03102951001 York / Source 1
Cross-reference note: This searchable section is based on the official 50M56X-843 cross-reference list. Final application fit should still be confirmed using the original control, blower type, wiring layout, and installation instructions.
Technical Snapshot
- Application type: Single-stage hot surface ignition furnace control
- Blower compatibility: PSC and ECMx blower motor systems
- Ignitor included: 120V nitride ignitor
- Replacement scope: 550+ part numbers
- Setup and diagnostics: White-Rodgers Connect app and 7-segment display
- Universal integrated furnace control design for compatible replacement applications
Frequently Asked Questions
What is the White-Rodgers 50M56X-843 used for?
The 50M56X-843 is a universal integrated furnace control designed for compatible single-stage hot surface ignition furnace applications.
Does this control work with PSC and ECMx blower motors?
Yes. The 50M56X-843 is designed for compatible PSC and ECMx blower motor systems.
Does the kit include an ignitor?
Yes. The kit includes a 120V nitride ignitor.
How many boards can this replace?
The official cross-reference list states replacement coverage for 550+ part numbers across compatible applications.
How should buyers confirm compatibility?
Match the original board number, blower type, furnace application, wiring layout, and installation requirements before ordering or installing.
Need a Universal Furnace Control With Broad Replacement Coverage?
If you are replacing an older single-stage hot surface ignition furnace board and need a universal integrated control with broad cross-reference coverage, PSC and ECMx blower support, and modern diagnostics, the White-Rodgers 50M56X-843 is built for that kind of service work.
