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Furnace Control Board

Furnace Control Board

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    Carrier HK42FZ014 Circuit Board

    Carrier

    MSRP: $670.49
    Now: $518.11
    Carrier HK42FZ014 Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $670.49
    Now: $518.11
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    Carrier HK38EA022 Circuit Board

    Carrier

    MSRP: $409.61
    Now: $316.52
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $409.61
    Now: $316.52
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    Carrier HK38EA013 Circuit Board 2 Speed

    Carrier

    MSRP: $882.57
    Now: $681.98
    Circuit Board 2 Speed   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $882.57
    Now: $681.98
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    Carrier HK38EA012 Circuit Board

    Carrier

    MSRP: $1,370.47
    Now: $1,059.00
    Carrier HK38EA012 Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $1,370.47
    Now: $1,059.00
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    Carrier HK38EA004 Circuit Board

    Carrier

    MSRP: $367.67
    Now: $284.11
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $367.67
    Now: $284.11
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    Carrier HK37AA102 Circuit Board

    Carrier

    MSRP: $518.91
    Now: $393.11
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $518.91
    Now: $393.11
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    Carrier HK35AA009 Printed Circuit Board

    Carrier

    MSRP: $570.21
    Now: $440.61
    Printed Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $570.21
    Now: $440.61
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    Carrier HK32FA006 Printed Defrost Circuit Board

    Carrier

    MSRP: $321.57
    Now: $248.48
    Printed Defrost Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $321.57
    Now: $248.48
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    Carrier HH84ZZ008 Circuit Board

    Carrier

    MSRP: $421.06
    Now: $325.37
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $421.06
    Now: $325.37
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    Carrier HH680001 Circuit Board

    Carrier

    MSRP: $1,403.87
    Now: $1,063.54
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,403.87
    Now: $1,063.54
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    Carrier CESO130007-00 Circuit Board

    Carrier

    MSRP: $300.35
    Now: $232.09
    Carrier CESO130007-00 Circuit Board Item is Non Cancelable / Non Returnable FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $300.35
    Now: $232.09
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    Carrier 6231528030 Circuit Board

    Carrier

    MSRP: $348.89
    Now: $264.31
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $348.89
    Now: $264.31
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    Carrier 52CQ402654 Board

    Carrier

    MSRP: $164.01
    Now: $124.25
    Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $164.01
    Now: $124.25
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    Carrier 50ZZ401127 Circuit Board

    Carrier

    MSRP: $3,376.46
    Now: $2,609.08
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $3,376.46
    Now: $2,609.08
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    MSRP: $3,376.46
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    Carrier 4377 Circuit Board for Humidifier

    Carrier

    MSRP: $80.02
    Now: $61.80
    Circuit Board for Humidifier   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $80.02
    Now: $61.80
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    MSRP: $80.02
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    Carrier 38AQ680053 Circuit Board

    Carrier

    MSRP: $141.50
    Now: $107.20
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $141.50
    Now: $107.20
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    MSRP: $141.50
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    Carrier 356066-0204 EAC Air Cleaner Circuit Board

    Carrier

    MSRP: $272.20
    Now: $206.21
    EAC Air Cleaner Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $272.20
    Now: $206.21
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    Carrier 0170307H23 Circuit Board

    Carrier

    MSRP: $1,518.08
    Now: $1,173.06
    Circuit Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $1,518.08
    Now: $1,173.06
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    MSRP: $1,518.08
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    Trane BRD4003 Unprogrammed Tracer Board

    Trane

    MSRP: $506.67
    Now: $391.51
    Unprogrammed Tracer Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $506.67
    Now: $391.51
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    MSRP: $506.67
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    Trane BRD0968 Condenserv. T-Stat Interface Board

    Trane

    MSRP: $393.41
    Now: $304.00
    Condenserv. T-Stat Interface Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $393.41
    Now: $304.00
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    MSRP: $393.41
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Shop Furnace & HVAC Control Boards

If your heating or cooling system is acting up, a faulty control board may be the culprit. Furnace Part Source carries a wide selection of replacement control boards for furnaces, air conditioners, and other HVAC systems. Whether you need a furnace control board, AC control board, or general HVAC circuit board, we offer OEM replacements for major brands like Carrier, Trane, Nordyne, Goodman, and York.

Our catalog is designed for homeowners, HVAC professionals, electricians, and handymen looking to make fast, affordable repairs. Every control board we stock is brand-new, guaranteed genuine, and ready to ship—no minimum order required.

Reliable Control Board Replacements at Your Fingertips

Control boards are the “brains” of your heating and cooling equipment. When they fail, your entire system may stop responding, misfire, or behave erratically. That’s why we carry a variety of furnace control boards with different input/output configurations, ignition types, and diagnostic capabilities to match both older and newer systems.

With over 500,000 HVAC parts in stock and same-day shipping available, Furnace Part Source makes it easy to get your furnace circuit board or HVAC control board delivered quickly and reliably. Not sure which model you need? Our support team is available 24/7 to help match part numbers or recommend replacements.

Frequently Asked Questions

What is a furnace control board?
A furnace control board is an electronic component that manages all of the operations of a furnace—ignition, blower fan timing, safety checks, and communication with the thermostat.

How do I know if my HVAC control board is bad?
Common signs include no response from the system, flashing error lights, or short-cycling. If your thermostat is working but your system isn’t responding, the control board may be the issue.

Can I replace a furnace control board myself?
Many experienced homeowners and handymen choose to replace furnace control boards themselves. However, always disconnect power and confirm compatibility before installation.

How much does it cost to replace a furnace control board?
Furnace control board replacement cost can range from $100–$600 depending on the brand and model. Ordering the part yourself and installing it can save significantly on labor costs.