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A furnace circuit board is the brain of your heating system, controlling essential functions. When it fails, your comfort is compromised. Selecting the correct replacement ensures your furnace operates efficiently and safely, restoring warmth to your home without compatibility issues.
【Compatible Models】Model number: Furnace Control Board 50A55 743; Replacement for White-Rodgers 50A55-743 control board. Direct replacement for Goodman/Amana Furnace Control Circuit Board. Compatible Part Numbers: PCBBF112, PCBBF123, PCBBF123S...
【Functionality】Automatic gas interrupted ignition control. Monitors system faults, quickly shuts down gas flow when issues detected, auto retries ignition after fault correction. Manages gas valve, circulating blower, hot surface ignitor, and inducer...
【Specifications】Input Voltage: 25VAC 50/60 Hz. Control Volts: 120VAC. Reliable ignition control for standard furnace systems
【Easy Installation & Troubleshooting】Designed for pros and DIY homeowners. Turn off power before installation. Photograph original wiring for reference. Plug-and-play design for quick replacement. 50a55-743 control board features status indicator...
【After-Sales Service】Six-month free returns and exchanges. Contact us for any issues. We provide comprehensive after-sales support
【REPLACE PART NUMBER】HK42FZ034, HK42FZ013, CEBD431012-01A, CEPL131012-01, CEPL131012-01-I, CEPL13043B-01
【COMPREHENSIVE SYSTEM CONTROL & PROTECTION】Microprocessor-based design precisely controls the gas valve, ignitor, blower motor, inducer, humidifier, and air cleaner. Built-in safety features include 100% gas shutoff on ignition failure, reverse...
【WORKS JUST LIKE THE ORIGINAL】Designed to match specific Carrier furnace systems, this replacement board offers the same reliable performance as the original part. Maintains compatibility with existing components and wiring setup
【CLEAR LED STATUS LIGHTS】Equipped with easy-to-read LED lights that show the system status at a glance. Makes it faster for technicians to find and fix issues—less downtime, more peace of mind
【ONE YEAR QUALITY ASSURANCE】If the product has any quality problems within one year, please contact us
Replacement for White-Rodgers 50A55-3797 50A55-474 50A55-476 50A55-571
Replacement for Trane Single Stage CNT02891 CNT03797 CNT02789 Integrated Furnace Control
Input Voltage: 25 VAC 50/60 HZ. Max. Input Current at 25 VAC :0.45 amp. Relay Load Ratings: Valve Relay: 1.5 amp at 25 VAC 50/60 Hz 0.6 pf. Ignitor Relay: 6.0 amp at 120 VAC 50/60 Hz (resistive) Inducer Relay: 2.2 FLA- 3.5 LRA at 120 VAC Circulator Relay...
The 50A55-3797 Furnace Control Board is an automatic gas interrupted ignition control that employs a microprocessor to continually monitor ,analyze, and control the proper operation of the gas burner, inducer, and fan.
The 50A55-3797 control continuously monitors its own operation and the operation of the system. If a failure occurs, the LED will indicate a failure code as shown in Troubleshooting section. If the failure is internal to the control, the light will stay...
Upgraded Furnace Control Board Replacement: Upgraded Replacement for Furnace Control Circuit Board PCBBF112S. This control circuit board is precision-calibrated as a replacement for Goodman, Amana and White-Rodgers furnaces with steady working performance
Extensive Cross-Model Compatibility: Direct replacement for PCBBF112, PCBBF123, PCBBF123S, PCBBF110S, PCBBF110, 0130F00005, 0130F00005S, PCB00110, B1809926, B1809926S, 0130F00007 and original PCBBF112S board
Full System Central Control Function: Serves as the core controller for your heater, governing gas valve, draft motor, blower and ignitor while monitoring pressure and limit switches for safe, steady furnace operation
LED Fault Diagnostic Indicator: Equipped with a status LED indicator to feed back real-time operating conditions of the unit, it allows quick fault location and easy on-site troubleshooting, saving maintenance time for repair technicians
After-sales Service: Free returns and exchanges within six months. Feel free to contact us for any product issues, and we will handle your problems promptly
WARNING: This board will not work if your unit has different electrical specs or underlying faults. Ordering by looks or size alone will likely result in an incompatible part.
BROAD COMPATIBILITY: This furnace control board is designed as a direct replacement for multiple OEM models. It is compatible with part numbers including HK42FZ013, HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, HK42FZ016, HK42FZ...
ELECTRICAL SPECIFICATIONS: This board operates within a 98-132 VAC range and is rated for critical components: ignitor (5A/120V), cool blower (30A/2HP/240V), heat blower (5A/240V), inducer motor (4A/120V), and gas valve (1.5A).
SYSTEM CONTROL: The microprocessor-based board expertly manages all critical furnace operations, including the gas valve, ignitor, blower motor, inducer motor, humidifier, and air cleaner. It ensures your furnace runs smoothly and efficiently by...
PROTECTION GUIDELINES: To ensure the longevity of your new control board, please observe these critical anti-static precautions during installation. Electrostatic discharge (ESD) can damage electronic components unseen. Always disconnect all power to the...
FEATURES: Engineered for reliability and safety, this board provides 100% gas shutoff in case of ignition failure. It features built-in reverse polarity protection and secondary brownout voltage protection to safeguard the unit from electrical issues...
INSTALLATION NOTES: Before removal, take a clear photo of your old board's wiring for a hassle-free installation reference.
WARNING: It will NOT work if you order a wrong part. It will NOT work if there are other underlying issues with the unit. Do NOT order parts by looks or measurement. Most of the time they will not work or fit***
879598 Furnace Control Board 1162-202 1162-83-202 S1-03103010000. Genuine 1162-202 1162-83-202 **Original Connectors** for YORK COLEMAN LUXAIRE 879598 Furnace Control Circuit Board.
Function Oriented Design for Seamless Replacement: The control board is precisely made to replace Nordyne OEM 624 625A. It replicates essential functions to ensure the furnace runs smoothly as with the original part, maintaining heating and system...
High Performance Build for Long lasting Use: This control board is made of high - quality materials. It can withstand continuous operation in different conditions and offer reliable performance for a long time
User Centric Operation for Easy Installation: The 624 625A replacement control board has an intuitive design. Clear markings and simple wiring simplify installation, even for those with limited skills. After installation, its user - friendly interface...
Comprehensive Quality Assurance: We guarantee our product's quality for six months. If there are any manufacturing defects, our support team will quickly help you solve the problems, ensuring your peace of mind
Risk Free Purchase with Refund Assurance: We offer a 30 - day refund guarantee, so you can buy our control board with confidence. If it fails to meet your expectations, you can return it hassle - free
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Furnace Replacement Circuit Boards
Compatibility is Key
The most crucial factor when purchasing a replacement circuit board is ensuring it is compatible with your specific furnace model. Different manufacturers and even different models within the same brand use unique boards. Always consult your furnace's owner's manual or the manufacturer's website for the exact part number or a list of compatible replacements. Incorrect compatibility can lead to system malfunctions or damage.
Voltage and Features
Verify the voltage requirements of your furnace and ensure the replacement board matches. Most residential furnaces operate on 24V AC, but it's essential to confirm. Also, consider any special features your original board had, such as diagnostic LEDs, multiple speed fan control, or specific safety lockout timings. While a basic replacement will often suffice, matching features can ensure seamless integration and maintain optimal performance.
Brand Reputation and Warranty
Opt for circuit boards from reputable HVAC parts manufacturers. Established brands often have a track record of reliability and quality control. Additionally, check the warranty offered on the replacement board. A longer warranty period can provide peace of mind and protection against potential defects.
Frequently Asked Questions
How do I find the part number for my furnace circuit board?
You can usually find the part number on a label directly attached to the existing circuit board. Alternatively, consult your furnace's owner's manual or the manufacturer's official website using your furnace's model number.
Can I use a universal furnace circuit board?
While universal boards exist, they are generally not recommended for most homeowners. Universal boards often require complex wiring adjustments and may not perfectly match your furnace's specific functions, potentially leading to performance issues or damage.
What are the signs of a failing circuit board?
Common signs include the furnace not turning on at all, the blower fan running continuously, or the furnace cycling on and off erratically. Diagnostic error codes displayed on the furnace control panel can also indicate a board issue.
Is replacing a furnace circuit board a DIY job?
Replacing a circuit board involves working with electrical components and can be complex. It is generally recommended to have a qualified HVAC technician perform the replacement to ensure it is done safely and correctly.
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