Trane SEN2662 Flame Sensor
The Trane SEN2662 Flame Sensor is a critical safety component engineered for flame rectification in high-efficiency Trane and American Standard S-Series furnaces. This genuine OEM flame sensor (superseded by SEN02662) utilizes a Kanthal D alloy element and a Nikrothal 80 electrode to provide superior oxidation resistance in high-heat environments. Designed to monitor the ionization process within the burner assembly, it ensures the control board detects a steady microamp signal during the ignition cycle. If the sensor fails to verify a flame within the designated lockout period, it triggers an immediate gas valve shutdown to prevent hazardous fuel accumulation. This sensor is compatible with hot surface ignition (HSI) systems and is rated for both natural gas and LP (propane) applications. For technicians troubleshooting short cycling or furnace ignition failure, replacing a carbon-fouled or cracked 389373 flame rod is a standard protocol to restore reliable furnace operation and system safety.
Key Benefits- OEM Precision: Direct replacement for SEN2662, SEN02400, and D345988P01, ensuring exact fitment without bracket modification.
- High-Heat Durability: Constructed with Kanthal D materials to withstand intense combustion temperatures and reduce soot accumulation.
- Universal Fuel Compatibility: Fully rated for 120V systems utilizing either natural gas or liquid propane.
- Safety Logic Integration: Provides the necessary flame sense feedback to prevent unburned gas buildup and system lockouts.
- How do I test the Trane SEN2662? Set your multimeter to the DC microamps (µA) scale and connect it in series with the sensor wire; a healthy sensor typically reads between 2.0 and 6.0 µA when the flame is present.
- Can this sensor be cleaned? If the ceramic insulator is intact, light oxidation can sometimes be removed with a fine abrasive, but cracked porcelain or severe pitting requires immediate replacement.
- What causes this part to fail? Carbon buildup, silicon contamination, or cracked porcelain are the primary causes for a loss of flame signal to the furnace control board.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $21.72
-65%$21.72
$7.60Product Information
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Description
The Trane SEN2662 Flame Sensor is a critical safety component engineered for flame rectification in high-efficiency Trane and American Standard S-Series furnaces. This genuine OEM flame sensor (superseded by SEN02662) utilizes a Kanthal D alloy element and a Nikrothal 80 electrode to provide superior oxidation resistance in high-heat environments. Designed to monitor the ionization process within the burner assembly, it ensures the control board detects a steady microamp signal during the ignition cycle. If the sensor fails to verify a flame within the designated lockout period, it triggers an immediate gas valve shutdown to prevent hazardous fuel accumulation. This sensor is compatible with hot surface ignition (HSI) systems and is rated for both natural gas and LP (propane) applications. For technicians troubleshooting short cycling or furnace ignition failure, replacing a carbon-fouled or cracked 389373 flame rod is a standard protocol to restore reliable furnace operation and system safety.
Key Benefits- OEM Precision: Direct replacement for SEN2662, SEN02400, and D345988P01, ensuring exact fitment without bracket modification.
- High-Heat Durability: Constructed with Kanthal D materials to withstand intense combustion temperatures and reduce soot accumulation.
- Universal Fuel Compatibility: Fully rated for 120V systems utilizing either natural gas or liquid propane.
- Safety Logic Integration: Provides the necessary flame sense feedback to prevent unburned gas buildup and system lockouts.
- How do I test the Trane SEN2662? Set your multimeter to the DC microamps (µA) scale and connect it in series with the sensor wire; a healthy sensor typically reads between 2.0 and 6.0 µA when the flame is present.
- Can this sensor be cleaned? If the ceramic insulator is intact, light oxidation can sometimes be removed with a fine abrasive, but cracked porcelain or severe pitting requires immediate replacement.
- What causes this part to fail? Carbon buildup, silicon contamination, or cracked porcelain are the primary causes for a loss of flame signal to the furnace control board.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
