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Furnace Control Board 50A55-743 Replacement for PCBBF112S 0130F00005S B1809926S PCBBF123S 50A55-289 50T55-289 25VAC 50/60Hz 120VAC

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$32.99

$ 16 .99 $16.99

In Stock
  • Compatibility: 50A55-743 furnace control board direct replacement for models 0130F00005, 0130F00005S, B1809926, B1809926S, PCBBF110, PCBBF110S, PCBBF112, PCBBF112S, PCBBF123, PCBBF123S, 50A55-743, 50A55-289, 50T55-289, and ICM286
  • Functionality: Controls gas valve, circulating blower, hot surface ignitor, and inducer draft motor; monitors system pressure and limit switches to automatically shut down airflow, troubleshoot issues, and retry ignition for restored HVAC operation
  • Installation Guidance: Turn off all power sources and photograph original wiring before installation. Includes a wiring diagram for reference. Professional technician installation is recommended to ensure safety and functionality
  • Replacement Benefits: Restores furnace operation by managing critical components, enhances safety through real-time system monitoring, and reduces downtime with automatic troubleshooting
  • Specifications：Input voltage 25VAC 50/60Hz, control voltage 120VAC


Reliable Furnace Control Board Replacement 50A55-743
This control board is engineered to restore functionality to heating systems requiring precise electrical regulation. It integrates critical operational controls while prioritizing compatibility with common furnace models.
Key Details:
Compatibility: Direct replacement for PCBBF112S, 0130F00005S, B1809926S, PCBBF123S, 50A55-289, 50T55-289, and other models.
Technical Parameters: 25VAC 50/60Hz input voltage, 120VAC control voltage.
Functional Design: Controls ignition components, airflow systems, and safety monitoring.
Installation Guidance: Wiring diagram included. Professional installation recommended. Important Notes:
Always disconnect power before installation.
Document original wiring configuration prior to removal.
Minor design variations between versions do not affect core performance.


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