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Flame Rods

Flame Rods

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    Honeywell 101738B (OBSOLETE) FLAME ROD ASSY

    Honeywell

    OBSOLETE with No Replacement: Honeywell 101738B FLAME ROD ASSY We're sorry--this item is no longer available. This part has been classified as obsolete with no replacement. FurnacePartSource.com Commitment Always Brand-New Genuine...
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    Modine 5H0799550001 PILOT ASSY with FLAME ROD

    Modine

    MSRP: $531.88
    Now: $402.94
    Modine 5H0799550001 PILOT ASSY with FLAME ROD   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
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    Greenheck 452942 Flame Rod

    Greenheck

    MSRP: $288.75
    Now: $218.75
    Greenheck 452942 Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $288.75
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    Honeywell 133451A Honeywell Flame Rod & Insulatr

    Honeywell

    MSRP: $175.49
    Now: $132.95
    Honeywell 133451A Honeywell Flame Rod & Insulatr   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $175.49
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    Honeywell 105478D 24" Kanthal Flame Rod

    Honeywell

    OBSOLETE Honeywell 105478D 24" Kanthal Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
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    Honeywell 105478A 6" Flame Rod

    Honeywell

    MSRP: $29.68
    Now: $22.49
    Honeywell 105478A 6" Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $29.68
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    Honeywell 102709E 48" Flame Rod

    Honeywell

    MSRP: $136.93
    Now: $103.74
    Honeywell 102709E 48" Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $136.93
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    Honeywell 102709D Kanthal Flame Rod 36"

    Honeywell

    MSRP: $105.58
    Now: $79.99
    Honeywell 102709D Kanthal Flame Rod 36"   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $105.58
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    Honeywell 102709C 24" Flame Rod

    Honeywell

    MSRP: $74.23
    Now: $56.24
    Honeywell 102709C 24" Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $74.23
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    Honeywell 102709A 12" Flame Rod

    Honeywell

    MSRP: $31.76
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    Honeywell 102709A 12" Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
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    Trane ROD0159 Flame Rod

    Trane

    MSRP: $170.43
    Now: $129.11
    Flame Rod   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
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    Resideo Q3400A1024 Flame Rod Assembly

    Resideo

    MSRP: $121.11
    Now: $91.75
    Resideo Q3400A1024 Flame Rod Assembly 30" Ignition Wire Used with Honeywell SmartValves Field Replacement for Q3450 and Q3480 Hot Surface Pilot Burners  If out of stock, call or text 1.866.620.8417 for possible cross...
    MSRP: $121.11
    Now: $91.75
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Flame rods are essential components in furnaces and HVAC systems, ensuring safe and efficient operation by detecting the presence of a flame. 

What are Flame Rods?

Flame rods are critical for confirming the presence of a flame in combustion systems, including industrial burners and other heating applications. These devices are integral to ensuring that the combustion process is ongoing by monitoring the flame's status through a method known as ionization or rectification. This process helps complete an electrical circuit, confirming that the flame is stable and continuously present, which is vital for safe and effective operation.

How Flame Rods Work

The operation of a flame rod is fascinating and crucial for maintaining safety in heating systems. When a flame rod is energized, it adopts a positive charge. This charge attracts negative ions within the flame, completing the electrical circuit necessary to signal that the flame is actively present. This feedback ensures that the system continues to operate as long as a flame is effectively detected, thus playing a critical role in the continuous monitoring and control of industrial burners.

Components of a Flame Rod System

A typical flame rod system comprises several key components that work together to detect and confirm the presence of a flame. These include:

  • Flame Rod Electrode: This is the primary component that interacts with the flame directly. It is typically made from durable materials capable of withstanding high temperatures and harsh conditions within the burner.
  • Ground Electrode: Also crucial, the ground electrode serves as the return path for the electrical current, completing the circuit initiated by the flame rod.
  • Flame Relay Device: This device interprets the signal from the flame rod electrode. If the flame is present, it allows the system to continue operation. Conversely, it triggers a shutdown to prevent gas leaks and potential hazards if the flame extinguishes.

By understanding these components and their interplay, you can ensure that your furnace or HVAC system operates safely and efficiently, leveraging the protective measures offered by flame rods. In the next sections, we will explore the significance of these devices further and discuss how regular maintenance and correct troubleshooting can enhance their functionality and longevity.

Importance of Flame Rods in HVAC and Furnace Systems

Flame rods play an indispensable role in maintaining the safety and efficiency of HVAC and furnace systems. By continuously ensuring that the burner flame is present and stable, these devices prevent potential hazards and optimize system performance. Let’s explore how flame rods contribute significantly to both safety functions and efficiency improvements in heating systems.

Safety Functions

The primary safety function of flame rods is to detect the presence of a flame; if no flame is detected, the system automatically shuts down. This critical feature prevents dangerous situations such as gas leaks and possible explosions, which can occur if fuel continues to flow without ignition. By stopping the fuel supply, flame rods provide a fail-safe that protects your home, workplace, and industrial environments from catastrophic incidents.

Efficiency Improvements

Beyond safety, flame rods also contribute to the efficiency of HVAC and furnace systems. A stable and consistent flame ensures optimal combustion, which in turn, maintains consistent heating performance and energy efficiency. This stability means that your system uses fuel more effectively, reducing wastage and lowering energy costs. For anyone managing industrial burners or large HVAC systems, the role of flame rods in maintaining one-direction energy flow without frequent recalibrations or adjustments is particularly valuable.

Choosing the Right Flame Rod for Your System

Selecting the appropriate flame rod for your furnace or HVAC system is crucial to ensure optimal performance and reliability. This choice depends on various factors, including system specifications and operating conditions. Understanding these factors will help you make an informed decision that enhances your system’s safety and efficiency.

Factors to Consider

When choosing a flame rod, several key considerations should guide your selection:

  • System Voltage Requirements: Flame rods come in different specifications to match the electrical requirements of various systems. Ensure that the flame rod you choose is compatible with the voltage of your system to prevent malfunctions or damage.
  • Flame Rod Length and Diameter: The size of the flame rod must be appropriate for the burner’s size and type. A rod that is too short may not adequately detect the flame, while one that is too long could be prone to mechanical damage or improper installation.
  • Material Compatibility: The material of the flame rod should be compatible with the type of fuel used and the combustion environment. For example, certain materials are better suited for high-temperature applications or specific types of fuel like natural gas or oil.

Considering these factors can significantly influence the efficiency and longevity of your flame rod, as well as the overall safety of your HVAC or furnace system.