
Lennox 11G26 Sensor
Ensure precise enthalpy control and economizer performance with the Lennox 11G26 Mixed Air Sensor. This genuine OEM Lennox HVAC replacement part (Catalog No. 11G26, Part No. 103931-01) is a high-precision thermistor designed to monitor the temperature of mixed air within commercial and industrial ductwork. Specifically engineered for integration with Lennox economizer modules, this mixed air sensor provides the critical data needed to modulate outdoor air dampers, optimizing energy consumption and maintaining stable indoor air quality. Its durable, compact housing is built to withstand the rigorous conditions and high-velocity airflow of professional HVAC ventilation systems. Whether you are performing a routine HVAC sensor replacement or commissioning a new multi-system install, the 11G26 sensor ensures your equipment operates at peak thermal efficiency without the drift often found in aftermarket components. This part is compatible with a wide range of Lennox, Allied, and Armstrong commercial units, making it a staple for any technician's service truck.
Key Benefits- Direct OEM Replacement: Guaranteed compatibility with Lennox 103931-01 specifications for seamless plug-and-play installation.
- Precision Temperature Sensing: Utilizes a high-accuracy NTC thermistor to provide real-time thermal data for economizer control.
- Enhanced System Efficiency: Enables proper damper modulation to reduce mechanical cooling load and lower energy costs.
- Rugged Industrial Build: Encased in a durable metal housing designed for longevity in harsh mechanical environments.
- Universal Compatibility: Fits various commercial rooftop unit (RTU) models from Lennox, Duchane, and Allied Air.
What are the symptoms of a failing mixed air sensor?
A faulty 11G26 sensor typically causes the economizer dampers to stay in a fixed position or cycle erratically. You may also see error codes related to enthalpy control or "Out of Range" sensor readings on the main controller.
How do I verify the operation of the 11G26 sensor?
Technicians should measure the resistance (ohms) across the sensor terminals and compare it to the standard Lennox resistance chart for NTC thermistors. Ensure the unit is powered down before testing to prevent damage to the control board.
Can I use this sensor in a residential application?
While primarily designed for commercial economizers and ventilated cooking air applications, it is compatible with any Lennox system specifically calling for the 103931-01 mixed air sensor assembly.
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: $122.61
-65%$122.61
$42.91Lennox 11G26 Sensor
Ensure precise enthalpy control and economizer performance with the Lennox 11G26 Mixed Air Sensor. This genuine OEM Lennox HVAC replacement part (Catalog No. 11G26, Part No. 103931-01) is a high-precision thermistor designed to monitor the temperature of mixed air within commercial and industrial ductwork. Specifically engineered for integration with Lennox economizer modules, this mixed air sensor provides the critical data needed to modulate outdoor air dampers, optimizing energy consumption and maintaining stable indoor air quality. Its durable, compact housing is built to withstand the rigorous conditions and high-velocity airflow of professional HVAC ventilation systems. Whether you are performing a routine HVAC sensor replacement or commissioning a new multi-system install, the 11G26 sensor ensures your equipment operates at peak thermal efficiency without the drift often found in aftermarket components. This part is compatible with a wide range of Lennox, Allied, and Armstrong commercial units, making it a staple for any technician's service truck.
Key Benefits- Direct OEM Replacement: Guaranteed compatibility with Lennox 103931-01 specifications for seamless plug-and-play installation.
- Precision Temperature Sensing: Utilizes a high-accuracy NTC thermistor to provide real-time thermal data for economizer control.
- Enhanced System Efficiency: Enables proper damper modulation to reduce mechanical cooling load and lower energy costs.
- Rugged Industrial Build: Encased in a durable metal housing designed for longevity in harsh mechanical environments.
- Universal Compatibility: Fits various commercial rooftop unit (RTU) models from Lennox, Duchane, and Allied Air.
What are the symptoms of a failing mixed air sensor?
A faulty 11G26 sensor typically causes the economizer dampers to stay in a fixed position or cycle erratically. You may also see error codes related to enthalpy control or "Out of Range" sensor readings on the main controller.
How do I verify the operation of the 11G26 sensor?
Technicians should measure the resistance (ohms) across the sensor terminals and compare it to the standard Lennox resistance chart for NTC thermistors. Ensure the unit is powered down before testing to prevent damage to the control board.
Can I use this sensor in a residential application?
While primarily designed for commercial economizers and ventilated cooking air applications, it is compatible with any Lennox system specifically calling for the 103931-01 mixed air sensor assembly.
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.
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Description
Ensure precise enthalpy control and economizer performance with the Lennox 11G26 Mixed Air Sensor. This genuine OEM Lennox HVAC replacement part (Catalog No. 11G26, Part No. 103931-01) is a high-precision thermistor designed to monitor the temperature of mixed air within commercial and industrial ductwork. Specifically engineered for integration with Lennox economizer modules, this mixed air sensor provides the critical data needed to modulate outdoor air dampers, optimizing energy consumption and maintaining stable indoor air quality. Its durable, compact housing is built to withstand the rigorous conditions and high-velocity airflow of professional HVAC ventilation systems. Whether you are performing a routine HVAC sensor replacement or commissioning a new multi-system install, the 11G26 sensor ensures your equipment operates at peak thermal efficiency without the drift often found in aftermarket components. This part is compatible with a wide range of Lennox, Allied, and Armstrong commercial units, making it a staple for any technician's service truck.
Key Benefits- Direct OEM Replacement: Guaranteed compatibility with Lennox 103931-01 specifications for seamless plug-and-play installation.
- Precision Temperature Sensing: Utilizes a high-accuracy NTC thermistor to provide real-time thermal data for economizer control.
- Enhanced System Efficiency: Enables proper damper modulation to reduce mechanical cooling load and lower energy costs.
- Rugged Industrial Build: Encased in a durable metal housing designed for longevity in harsh mechanical environments.
- Universal Compatibility: Fits various commercial rooftop unit (RTU) models from Lennox, Duchane, and Allied Air.
What are the symptoms of a failing mixed air sensor?
A faulty 11G26 sensor typically causes the economizer dampers to stay in a fixed position or cycle erratically. You may also see error codes related to enthalpy control or "Out of Range" sensor readings on the main controller.
How do I verify the operation of the 11G26 sensor?
Technicians should measure the resistance (ohms) across the sensor terminals and compare it to the standard Lennox resistance chart for NTC thermistors. Ensure the unit is powered down before testing to prevent damage to the control board.
Can I use this sensor in a residential application?
While primarily designed for commercial economizers and ventilated cooking air applications, it is compatible with any Lennox system specifically calling for the 103931-01 mixed air sensor assembly.
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.












